Perhaps you should try some spelling variations:
wang wing » wang jing, wang ning, wang liang
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
shang hai » shang kai, dang hai, chang ha
tan chia » tuan china, than china, can china
hong hai » zhong tai, dang hai, hong tan
ban zi » ban ji, yan zi

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: wang wing ((tan chia) OR (ban zi)) gene sang minh ((hong hai) OR (shang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wing ((tan chia) or (ban zi)) gene sang minh ((hong hai) OR (shang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wing ((tan chia) or (ban zi)) gene sang minh ((hong hai) OR (shang hai)) ;*.