Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thang cong » thanh cong, thang long, thong cong
toc chieu » toc thieu, doc hieu, hoc thieu
trung cap » truong cao, trung tam
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - thanh ((dung luan) or (trung cap)) thang cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - thanh ((dung luan) OR (trung cap)) thang cong dan than ban*.