Perhaps you should try some spelling variations:
song thin » song shin, song jin, song min
song minh » sang minh, song min, song ming
lang yan » wang yan, wang yang, zhang yan
yan yang » yang yang, yao yang, dan yang
yang li » yang lin, yang di, yang xi
li song » li cong, li rong, kim song
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.

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yang li li song minh ((cong shu) or (song thin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan yang li li song minh ((cong shu) OR (song thin)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yan yang li li song minh ((cong shu) or (song thin)) ;*.