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
tan chia » tuan china, than china, can china
yuan hui » yuan fei, jaan hui, tuan hua
wang lin » wang li, wang qin, yang lin
wong yue » wang yue

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