Perhaps you should try some spelling variations:
gender congo » tender congo, gender change, gender codes
wang yidan » wang yan
congo call » long call, congo can, congo mali
date spur » date sub
wang dan » wang yan, wang ban, wang yang
e gender » 2 gender, 3 gender, 1 gender
die spur » der spur

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