Perhaps you should try some spelling variations:
gender codes » gender cops, gender class, gender index
wang wang » wang liang, wang yan, wang jing
wang yong » wang hyoung, wang yan, wang shiyong
wang yang » wang yan, wang liang, wang yanling
call die » cavell die, call date, call me
die spur » der spur
yan 2 » yan _, yan 4

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang wang) OR (wang yong))) OR (wang yang)) yan 2 gender codes call die spur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang wang) OR (wang yong))) or (wang yang)) yan 2 gender codes call die spur ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang wang) OR (wang yong))) or (wang yang)) yan 2 gender codes call die spur ;*.