Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, tran tuan, truong thanh
cong doanh » cong doan, dong doanh, rong doanh
cong danh » cuong danh, cong dan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
thanh tu » hanh tu, nhanh tu, thanh tung

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 - thanh ((trung tuan) OR (trung tam)) nhung ((cong doanh) or (cong danh)) thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung tuan) OR (trung tam)) nhung ((cong doanh) OR (cong danh)) thanh tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((trung tuan) OR (trung tam)) nhung ((cong doanh) or (cong danh)) thanh tu".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung tuan) OR (trung tam)) nhung ((cong doanh) or (cong danh)) thanh tu*.