Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
wan yanling » wang yanling, wang yangming, wang danning
irene han » irene a
yang hua » yang hui, ying hua, yang jui
thi hong » tan hong
han thi » nhan thi, phan thi, ha thi
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: ((wan yanling) or (wang daoping)) ((yang hua) OR (wang hua)) irene han thi hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yanling) OR (wang daoping)) ((yang hua) OR (wang hua)) irene han thi hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yanling) or (wang daoping)) ((yang hua) OR (wang hua)) irene han thi hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yanling) or (wang daoping)) ((yang hua) OR (wang hua)) irene han thi hong yu ;*.