Perhaps you should try some spelling variations:
zhang minh » zhang ming, zhang xin, chang min
wang liang » wang yang
wang ning » wang jing, wang yang, wang yong
hoong ang » hoong chang, soon ang
ang zhang » zhang zhang, tang zheng, wang zheng
cong van » congo can, duong van, cong sun
yang xi » yang di, yang yi, yang jui

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 lang) ((((wang ning) OR (wang liang))) or (yang xi)) hoong ang zhang minh cong van ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR lang) ((((wang ning) OR (wang liang))) OR (yang xi)) hoong ang zhang minh cong van ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wing or lang) ((((wang ning) OR (wang liang))) or (yang xi)) hoong ang zhang minh cong van ;*".