Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
yang lin » wang lin, yang li, yang liang
wong yue » hong yu
wang yue » wang hua, wang yan, wang he
dan hua » tan hua, wang hua, dong hua

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)) dan hua rene ((yang jin) or (yang lin)) ((wong yue) OR (wang yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) dan hua rene ((yang jin) OR (yang lin)) ((wong yue) OR (wang yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yang yang)) dan hua rene ((yang jin) or (yang lin)) ((wong yue) OR (wang yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang yang)) dan hua rene ((yang jin) or (yang lin)) ((wong yue) OR (wang yue)) ;*.