You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are tons of Clint Barton and Bucky Barnes fanfics there. Just use the search function and type in their names. Another option is FanFiction.net, which also has a large collection of fan-written stories about various characters, including them.
Well, Tumblr can be a great place too. There are many fanfic writers who post snippets or links to their full stories on their Tumblr blogs. You might have to do a bit of searching using relevant tags like #ClintBarton #BuckyBarnes #Fanfic. Also, some dedicated Marvel fan communities on Reddit might have recommendations or even have fanfics shared within the community.
Some Discord servers dedicated to Marvel fandom often have channels for fanfiction. Members share their own works or recommend ones they've read. It's a more interactive way to find good Clint Barton and Bucky Barnes fanfics. You can join a few such servers and start exploring the fanfic channels.
Chapter 346, ", We Will Not Fail Our Mission!", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. The chapter turns that into something concrete by moving from Gu Hang gently patted his mother's hand, signaling her to be at ease,... to Both parties looked uncomfortable, as no one enjoys being scolded..
Chapter 323, ", Reject Protracted Battle, Quick Attack Strategy", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Isabel, in her youth, was renowned for her beauty, and now at... to But just then, Gu Hang withdrew his gaze..
Chapter 355, ", I Promise You", is the clearest early answer because it turns Brigade's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the process of the advance, the 35th Brigade experienced losses. to Although he refused to take on any more responsibility, he still....
Chapter 417, ", All Forces Attack!", is the clearest early answer because the buildup finally cashes out in a real clash. Early on, Compared to the Seven Horse Treaty, the collection of Imperial Tax is.... By the end, The Green Skin Orcs of the Iron-Tooth Clan have been ravaging the.... Inside the broader family politics storyline, the chapter closes with Tan Jiuyi let out a sigh.
Chapter 428, ", I am the Dominant Bishop!", is the clearest early answer because it turns Jindi Star's situation into a concrete plot event. The chapter gives readers a real answer by opening on In the span of over a year, she thrived on Jindi Star like a fish in... and ending on She smoothly passed the review conducted by a council of six....
Chapter 350, ", Tens of Millions of Troops", is the clearest early answer because it turns Interstellar Warriors's situation into a concrete plot event. Early on, Greetings, this is the first time we meet, so allow me to introduce.... By the end, But no one dared to say this aloud anymore..
Chapter 344, ", The Scar of Plague", is the clearest early answer because it turns Korolya's situation into a concrete plot event. The chapter gives readers a real answer by opening on Fino City moved like a colossal beast of flesh, wrapping its... and ending on However, ordering a fleet to bomb requires ensuring that there is no....
Chapter 342, ", Four Years", is the clearest early answer because it turns Void Shield's situation into a concrete plot event. The chapter turns that into something concrete by moving from Under this number, only 20% of the troops in the Rage Bear Legion... to From the holes in the destroyed upper district of Fino City, dozens....
Chapter 434, "Assassination", is the clearest early answer because it turns Arno's situation into a concrete plot event. The chapter turns that into something concrete by moving from They saw the gun in Arno's hand. to Arno made a judgement, muted his footsteps, and approached silently.. What makes it stick is that the chapter closes with Zelos was very special in her position.
Chapter 377, ", Win-Win", is the clearest early answer because it turns Flying Dolphin's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The ultra-high profits and value of the shipbuilding industry filled... and follows through with This group had come to bestow an honor upon Gu Hang..