Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
kang yang » wang yang, kang young, huang yang
yang yang » wang yang, wang yan
thanh van » thanh dam, thanh vu
iii rene » ii rene, iii gene, iii reale
van paul » von paul, jan paul, jean paul
a gene » a genre, a gender, a gentle

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan ((kang yang) OR (yang yang)) ((iii rene) or (a gene)) long thanh van paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan ((kang yang) OR (yang yang)) ((iii rene) OR (a gene)) long thanh van paul ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan ((kang yang) OR (yang yang)) ((iii rene) or (a gene)) long thanh van paul ;*".