Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
pei yang » wei yang, hui yang, pei yun
tan hua » tuan hua, tan chia, tan puay
yang de » yang di, rang de, yang d
long du » long do, long run, long did
long d » long do, long _, long 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yang yang)) ((tan hua) OR (wang hua)) pei yang de ((long du) or (long d)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) ((tan hua) OR (wang hua)) pei yang de ((long du) OR (long d)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yang yang)) ((tan hua) OR (wang hua)) pei yang de ((long du) or (long d)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang yang)) ((tan hua) OR (wang hua)) pei yang de ((long du) or (long d)) ;*.