Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
manh hung » anh huong
hung tuan » hung tran, quang tuan, trung tuan
tuan hang » tuan hoang, tuan bang, tuan dang
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - manh hung tuan hang ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - manh hung tuan hang ((cong san) OR (cong tac)) toan cau*.