Perhaps you should try some spelling variations:
ying yang » yang yang, yin yang, ying chang
zwang und » zugang und
tan ying » fan ying, ran ying, tan yang
yang lin » yang jin, wang lin, yang li
gang und » lang und, zugang und, klang und
gong hui » tong shui, wang hui, gong si
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan ying yang lin yi ((gang und) OR (zwang und)) ((gong hui) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan ying yang lin yi ((gang und) OR (zwang und)) ((gong hui) OR (tong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan ying yang lin yi ((gang und) OR (zwang und)) ((gong hui) or (tong hui)) ;*".