Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh than » hanh han, hanh nhan, hanh phan
tap doanh » tap doan, lap doanh, tap danh
doanh cao » doanh co, doanh bao, doanh cho
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 than ((cua nhung) OR (va nhung)) cong tap doanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh than ((cua nhung) OR (va nhung)) cong tap doanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh than ((cua nhung) OR (va nhung)) cong tap doanh cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh than ((cua nhung) OR (va nhung)) cong tap doanh cao*.