Perhaps you should try some spelling variations:
gang minh » sang minh, kang minah, anh minh
yang yang » wang yang, wang yan
yan yang » yao yang, dan yang, tan yang
li gang » liu gang, ii gang, i gang
long du » long d, long run, long did
long do » long d, longer do, long ago
li li » li lin, li l, li lu
wang » wing, wan, lang

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

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