Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
tang manh » tung manh, dang manh, tang hanh
manh hung » anh huong
hung cong » nhung cong, hung cuong, phung cong
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
than cap » thanh lap, thanh cac, than cua
khan cap » khoan cam, phan cac, phan cau
khan ap » han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - anh tang manh hung cong san ((than cap) or (((khan cap) OR (khan ap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - anh tang manh hung cong san ((than cap) OR (((khan cap) OR (khan ap)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - anh tang manh hung cong san ((than cap) or (((khan cap) OR (khan ap))))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - anh tang manh hung cong san ((than cap) or (((khan cap) OR (khan ap))))*.