Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
huang yang » huang ying, huang chang, wang yang
rene wang » wen wang
yuan hui » yuan fei, jaan hui, tuan hua
wang qin » wang lin, wang qiao, wang jing
wang yue » wong yue, wang yan, wang he
tan hua » tuan hua, tan chia, tan puay

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

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