Perhaps you should try some spelling variations:
xiaodong huang » xiaotong zhang
xiaodong tang » xiaoyang tang, xiaotong zhang
china yang » china ying, china wang, china chang
yang eng » yang yang, yang jing, tan eng
eng hong » hong hong, kong hong, ong chong
kong tan » hong tan, kong hang, kong land

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing or wan) or lang) ((xiaodong tang) OR (xiaodong huang)) china yang eng hong kong tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing OR wan) OR lang) ((xiaodong tang) OR (xiaodong huang)) china yang eng hong kong tan ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing or wan) or lang) ((xiaodong tang) OR (xiaodong huang)) china yang eng hong kong tan ;*".