Perhaps you should try some spelling variations:
trinh luong » trinh duong, trinh huong, trinh xuong
chien soat » thien hoat
tieng soat » tieng nhat
van chien » van hien, van hieu, van tien
tai van » thai van, thi van, tai san
quan va » quan vi, luan va, quan ve
quan ha » quan he
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung tai van chien soat ) or ( trinh luong ((quan va) OR (quan ha)) tieng soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung tai van chien soat ) OR ( trinh luong ((quan va) OR (quan ha)) tieng soat ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung tai van chien soat ) or ( trinh luong ((quan va) OR (quan ha)) tieng soat ))*".