Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan dung » lan dung, luan dong, luan hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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 - hanh doanh luan dung ((cong trinh) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh doanh luan dung ((cong trinh) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh doanh luan dung ((cong trinh) or (cong tan)) phan cac*.