Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
khong cong » thong cong, khong cang, chong cong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
cong tac » cong ty
phan cau » phan cac, phan tu, toan cau
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: hoc thieu sang - hanh doanh cua khong cong tac ((((phan cau) or (phan lap))) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh doanh cua khong cong tac ((((phan cau) OR (phan lap))) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh doanh cua khong cong tac ((((phan cau) or (phan lap))) or (phan dau))*.