Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
van thanh » ban thanh, van tuan
ban than » ban thanh, ban hang, ban hanh

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

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