Perhaps you should try some spelling variations:
thanh done » than done, than one
long thanh » luong thanh, long han, long trinh
yang yang » wang yang, wang yan
yuan wang » yuan kang, yuan chang, qian wang
yan wang » qian wang, yan liang, yan zhang
a genre » _ genre, a gender, a gentle
a gene » a gender, a gentle, a geneve
saul » paul, saur, raul

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yan wang) OR (yang yang))) or (yuan wang)) jan ((a gene) or (a genre)) long thanh done saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan wang) OR (yang yang))) OR (yuan wang)) jan ((a gene) OR (a genre)) long thanh done saul ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yan wang) OR (yang yang))) or (yuan wang)) jan ((a gene) or (a genre)) long thanh done saul ;".
• Adding a wildcard symbol may retrieve word variants: ((((yan wang) OR (yang yang))) or (yuan wang)) jan ((a gene) or (a genre)) long thanh done saul ;*.