Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
cua tuong » cua truong, cua thuong, cua huong
cong cua » cong cu, dong cua, huong cua
dong dan » dong danh, duong dan, dong san
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 - thanh cong cua tuong ((dong dan) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh cong cua tuong ((dong dan) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh cong cua tuong ((dong dan) or (cong san)) than cau*.