Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trinh quan » tinh quang, trinh luat, trinh han
dong thong » thong thong, nong thon, dong thanh
trinh cua » tinh cua, trinh luat, trinh luan
quan doan » quan hoang, chuan doan, chan doan
doan cao » doanh cao, toan cao, doan cap

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 ((trinh cua) OR (trinh quan)) dong thong quan doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh ((trinh cua) OR (trinh quan)) dong thong quan doan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh ((trinh cua) OR (trinh quan)) dong thong quan doan cao*".