Perhaps you should try some spelling variations:
gender change » gender age
change latin » changes latin, exchange latin, change leading
wang yang » wang yan, wang liang, wang yanling
date sub » data sub, case sub, note sub
die spur » der spur
guang 3 » guang eu, zugang 3
gang 3 » gang _, lang 3, wang 3

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 yang ((guang 3) OR (gang 3)) gender change latin ((date sub) OR (die spur)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((guang 3) OR (gang 3)) gender change latin ((date sub) or (die spur)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ((guang 3) OR (gang 3)) gender change latin ((date sub) or (die spur)) ;*.