Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sang » chieu sach, chieu xanh, hieu lang
canh doanh » hanh doanh, chinh doanh, kinh doanh
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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: doi chieu sang - ((canh doanh) or (doanh doanh)) ((cua thong) OR (cua tong)) cong tan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((canh doanh) OR (doanh doanh)) ((cua thong) OR (cua tong)) cong tan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((canh doanh) or (doanh doanh)) ((cua thong) OR (cua tong)) cong tan phan cac".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((canh doanh) or (doanh doanh)) ((cua thong) OR (cua tong)) cong tan phan cac*.