Perhaps you should try some spelling variations:
liang wang » liang dan, liang tan, ping wang
liang ying » liang liying, huang ying, zhang ying
lan minh » tuan minh, land mine, sang minh
gong hui » tong hui, tong shui, wang hui
lai lan » li lan, mai land
li lai » li lan, li li, li tai
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 ((liang wang) OR (liang ying)) li lai lan minh ((cong shu) OR (gong hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang wang) OR (liang ying)) li lai lan minh ((cong shu) or (gong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((liang wang) OR (liang ying)) li lai lan minh ((cong shu) or (gong hui)) ;*.