Perhaps you should try some spelling variations:
gender change » gender age
change mali » exchange mali, change small, change maps
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang
e gender » 2 gender, 3 gender, 1 gender
date sub » data sub, case sub, note sub
yidan » aidan, yedan, yifan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) or (((wang yang) OR (wang yanling)))) yidan e gender change mali date sub ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (((wang yang) OR (wang yanling)))) yidan e gender change mali date sub ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (((wang yang) OR (wang yanling)))) yidan e gender change mali date sub ;*".