Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
tan dan » tang dan, tan doan, ban dan
dan tay » ban tay, dao tay, gian tay

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 ((suat thong) or (cua khong)) cong tan dan tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh doanh ((suat thong) OR (cua khong)) cong tan dan tay.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh doanh ((suat thong) or (cua khong)) cong tan dan tay*.