Perhaps you should try some spelling variations:
truong thanh » luong thanh, truong tran, tran thanh
thanh done » than done, than one
qian wang » yiqian wang, qian rong, yan wang
qian yan » qian jun, qian yi
done sau » done so, done a, done hu
a genre » _ genre, a gender, a gentle
a gene » a gender, a gentle, a geneve

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

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