Ok soo! I think I figured out how search worked? Here's a REALLY specific post with the #danmei I'm interested in so people can find me  

#LittleMushroom
#HSAV
#TWIF
#SVSSS
#MDZS
#TGCF
#2ha / #Erha /#DumbHuskyAndHisWhiteCatShizun
#SPL
#HSAV
#DPUBFTTB <-I swear this one is real. 'Don't Pick up Boyfriends From the Trash Bin' is very good