Perhaps you should try some spelling variations:
gender change » gender age
change mali » exchange mali, change small, change maps
wang wang » wang yang, wang liang, wang yong
date spur » date sub
e gender » 2 gender, 3 gender, 1 gender
die spur » der spur
dan e » dan er, dan we, dan z

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 yan)) dan e gender change mali ((date spur) or (die spur)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yan)) dan e gender change mali ((date spur) OR (die spur)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yan)) dan e gender change mali ((date spur) or (die spur)) ;*".