Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
doanh cao » doanh co, doanh cho, doanh dao
doanh bao » doanh bat, doanh ban, doanh bac
hanh ban » thanh ban, hang ban, hanh san
cong tap » cuong tap, cong tac, cong tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - hanh ban va nhung cong tap ((doanh cao) OR (doanh bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh ban va nhung cong tap ((doanh cao) OR (doanh bao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh ban va nhung cong tap ((doanh cao) OR (doanh bao))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh ban va nhung cong tap ((doanh cao) OR (doanh bao))*.