Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
quan trong » gian trong
tung quan » tuong quan, trung quan, dung quan
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - thanh tung quan trong ((cong san) or (cong ty)) ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh tung quan trong ((cong san) OR (cong ty)) ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh tung quan trong ((cong san) or (cong ty)) ((than cau) or (phan dau))*.