Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tap doanh » tap doan, lap doanh, tap danh
doanh cao » doanh co, doanh bao, doanh cho
than cua » nhan cua, ban cua, gian cua
thai cua » tai cuc, tri cua, dai cua
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 sach)) - hanh ((than cua) OR (thai cua)) nhung cong tap doanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh ((than cua) OR (thai cua)) nhung cong tap doanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - hanh ((than cua) OR (thai cua)) nhung cong tap doanh cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh ((than cua) OR (thai cua)) nhung cong tap doanh cao*.