Perhaps you should try some spelling variations:
xiaodong huang » xiaotong zhang
china yang » china wang, china chang, china zhang
china ying » china during, china daqing, china rising
hong hong » hong kong, hong jong, hong ng
hong than » hong tan, long thanh, hong hai
eng hong » kong hong, ong chong, wang hong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing OR wan) OR lang) xiaodong huang ((china yang) OR (china ying)) eng hong hong than ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing or wan) or lang) xiaodong huang ((china yang) OR (china ying)) eng hong hong than ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing or wan) or lang) xiaodong huang ((china yang) OR (china ying)) eng hong hong than ;*.