Fanfiction.net is also a good place to search. There are many Avatar - related fanfics there. However, the search might be a bit less refined compared to AO3. But with some patience and using different combinations of keywords, you can still find some great female Sokka fanfic.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfics, and you can easily search for female Sokka fanfic using the search bar. Just type in relevant keywords like 'female Sokka' and you'll get a list of results.
Chapter 339, ", Fine Gold, Knight and Titan", is the clearest early answer because it turns Warp Engine's situation into a concrete plot event. The chapter turns that into something concrete by moving from A thousand-tier draw, though not drained dry, left hardly anything... to It is a technology developed to compete with the Interstellar Warrior....
Chapter 225, ", 2 minutes", is the clearest early answer because it turns Alliance's situation into a concrete plot event. It opens with Upon learning that the Alliance suddenly had a large troop... and closes on This was the most despairing and vexing truth.. The key payoff is that the chapter closes with But having reached this point, he couldn't take back his defiant words in a matter of seconds., which gives faction conflict a stronger narrative position and pushes the power growth onward.
Chapter 313, ", The Cradle Project", is the clearest early answer because it turns Psychics's situation into a concrete plot event. The chapter gives readers a real answer by opening on [Mage Academy: Once you have built an academy dedicated to teaching... and ending on Those with higher sensitivity naturally possess talent.. In story terms, the chapter closes with Secondly, Gu Hang "just happened" to control a piece of the Subspace Divine Kingdom.
Chapter 242, ", The Four Gods and The Emperor", is the clearest early answer because it turns Spiritual Energy's situation into a concrete plot event. Early on, The fourth was blue, brimming with a sense of mystery and chill, as.... By the end, This was the landscape of the True Realm..
Chapter 201, ", Maritime Relics", is the clearest early answer because it turns Allied Air Force's situation into a concrete plot event. The setup is Along the way, there will be some allied supply stations, patrol..., but the pressure keeps building through In the future, some militias or patrol squads will be stationed there....
Chapter 225, ", 2 minutes", is the clearest early answer because it turns President Pierre's situation into a concrete plot event. The setup is Upon learning that the Alliance suddenly had a large troop..., but the pressure keeps building through It was perfectly normal for him to think that way..
Chapter 333, ", Father King, The Era Has Changed", is the clearest early answer because it turns Prime Minister's situation into a concrete plot event. Early on, It was nothing significant, but thanks to the Governor's favor, he.... By the end, The remaining forces on Heijian Star resisting the Alliance were not....
Chapter 267, ", it's time once again for the much-anticipated card drawing segment", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. The setup is With the presence of "Spacefarers," similar tasks had become more..., but the pressure keeps building through Of course, there was a safety issue..
Chapter 273, ", Sun Lord (6k additional)", is the clearest early answer because it turns Supreme Council's situation into a concrete plot event. Early on, Some positions appear regularly, contingent on the current political.... By the end, In Gu Hang's view, given the Empire's inefficiency, such....
Chapter 219, ", Purge Operation", 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 The same E5 level farmers could end up doing twice the amount of work. to Those who were sentenced to death could serve their time at the Skull....