Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
wang minh » sang minh, kang minah, anh minh
minh song » minh cong, jin song, min hong
yan yang » yao yang, dan yang, tan yang
li wang » l wang, li gang, li wing
li li » li lin, li l, li lu
shin » skin, sein, thin

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yan yang) or (yang yang)) li li wang minh song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan yang) OR (yang yang)) li li wang minh song shin ;*.