Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
west yang » west bank, west can, west land
yang amin » yang jin, yang lin, yang mind
tan chia » tuan china, than china, can china
hong yue » wong yue, chong yun, wang yue
tan hua » tuan hua, wang hua, tan puay
hong yu » wong yue

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

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