Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
wang ryan » wang yan, wang yang, wang ban
lan minh » tuan minh, land mine, sang minh
wang hui » wang hua, wang zhi, wang wei
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.

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