Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
toc chieu » toc thieu, doc hieu, hoc thieu
trinh cua » tinh cua, trinh luat, trinh luan
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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

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