Perhaps you should try some spelling variations:
thanh trung » thanh tung
chuc hach » chuc hanh, thuc hanh, chuc danh
tuan dung » tuan duong, tran dung, tuan dang
cau sach » cao sach, hau sach, rau sach
tan dung » tran dung, tin dung, van dung
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc hach) or (cau sach)) - thanh trung ((tuan dung) OR (tan dung)) cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc hach) OR (cau sach)) - thanh trung ((tuan dung) OR (tan dung)) cong ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc hach) or (cau sach)) - thanh trung ((tuan dung) OR (tan dung)) cong ban than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc hach) or (cau sach)) - thanh trung ((tuan dung) OR (tan dung)) cong ban than cap*.