Perhaps you should try some spelling variations:
truong thanh » luong thanh, truong tran, tran thanh
luong than » luong thanh, long thanh
yan wang » yuan wang, yang yang, qian wang
wang ban » wang yan, wang dan, wang yang
a gene » a genre, a gender, a gentle
ban a » can a, ban _, bab a
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 ban a gene ((luong than) OR (truong thanh)) done saul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan wang ban a gene ((luong than) OR (truong thanh)) done saul ;*".