Perhaps you should try some spelling variations:
qian wang » yiqian wang, qian rong, yan wang
qian yan » qian jun, qian yi
lan minh » tuan minh, land mine, sang minh
gong hui » tong hui, tong shui, wang hui
li lan » lai lan, li lin, li nan
li li » li lin, li l, li lu
cong » congo, long, hong

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 ((qian wang) OR (qian yan)) li li lan minh ((cong shu) OR (gong hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((qian wang) OR (qian yan)) li li lan minh ((cong shu) or (gong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((qian wang) OR (qian yan)) li li lan minh ((cong shu) or (gong hui)) ;*.