Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
chen jean » chen jian, chen john, chen tan
jean ming » kian ming, chan ming, wan ming
ming kong » king kong, sing kong, hong kong
wang jui » wang hui, wang jun, chang jui
yang jui » yang judy, yang di, yang xi
kong 7 » kong _, kong a, hong 7

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 yuhan) OR (wang yan)) ((wang jui) OR (yang jui)) chen jean ming kong 7 ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (wang yan)) ((wang jui) OR (yang jui)) chen jean ming kong 7 ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang yan)) ((wang jui) OR (yang jui)) chen jean ming kong 7 ;*.