Perhaps you should try some spelling variations:
huang chang » huang cheng, hoong chang, huang yang
wang yang » wang yan, wang liang, wang yanling
rene wang » wen wang
tuan hua » tuan vu, yuan hui
wong yue » wang yue
tan hua » wang hua, tan chia, tan puay
wang li » wang lei, wang lin, tang li

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

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