Perhaps you should try some spelling variations:
truong thanh » luong thanh, tran thanh, truong xuan
truong tran » truong xuan, tung tran, truong truong
wang yang » wang yan, wang liang, wang yanling
yang yan » yang yang, wang yan, yang fan
a gene » a genre, a gender, a gentle
yan a » can a, yan _, jan a
sau » saur, sabu, saul

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yan a gene ((truong thanh) OR (truong tran)) one sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yan a gene ((truong thanh) OR (truong tran)) one sau ;".
• Adding a wildcard symbol may retrieve word variants: wang yang yan a gene ((truong thanh) OR (truong tran)) one sau ;*.