Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chieu sang » chieu sach, chieu xanh, hieu lang
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
anh nang » ganh nang, anh bang, anh sang
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: ho chieu sang - ((anh nang) or (anh dang)) cua khong cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((anh nang) OR (anh dang)) cua khong cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((anh nang) or (anh dang)) cua khong cong tac phan cau*.