Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
khong cong » thong cong, khong cang, chong cong
cua khong » hua khong, cua phuong, cua thuong
anh sang » lanh sang, anh bang, anh nang
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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) or (trieu tinh)) - ((anh sang) or (anh dang)) cua khong cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (trieu tinh)) - ((anh sang) OR (anh dang)) cua khong cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (trieu tinh)) - ((anh sang) or (anh dang)) cua khong cong tac phan cau*.