Perhaps you should try some spelling variations:
trung thanh » truong thanh
thien hach » thien thanh, hien hanh
trung tuan » trung tam, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
trung cap » truong cao, trung tam
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - thanh ((trung cap) or (((trung tuan) or (trung thanh)))) nhung cong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh ((trung cap) OR (((trung tuan) OR (trung thanh)))) nhung cong ban than cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh ((trung cap) or (((trung tuan) or (trung thanh)))) nhung cong ban than cao*.