Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
john song » john wong, john bonn, john ngosong
yang der » gang der, yang dean, klang der
der test » der tests, der text, per test
kit song » kim song, art song, kyu song
jie song » jae song, kim song, li song
jin song » kim song, jin ying, ein sog
cong sun » cong shu, cong van, wing sun

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yang yang der test ((kit song) or (((jie song) or (((jin song) OR (john song)))))) cong sun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang der test ((kit song) OR (((jie song) OR (((jin song) OR (john song)))))) cong sun ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yang yang der test ((kit song) or (((jie song) or (((jin song) OR (john song)))))) cong sun ;".
• Adding a wildcard symbol may retrieve word variants: lang yang yang der test ((kit song) or (((jie song) or (((jin song) OR (john song)))))) cong sun ;*.