Perhaps you should try some spelling variations:
truong thanh » truong tran, tran thanh, truong xuan
luong thanh » long thanh
yan wang » yuan wang, yang yang, qian wang
wang dan » wang yan, wang ban, wang yidan
one saul » one small
a gene » a genre, a gender, a gentle
dan a » dan la, can a, das a

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 dan a gene ((luong thanh) or (truong thanh)) one saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yan wang dan a gene ((luong thanh) OR (truong thanh)) one saul ;*.