Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
toc chieu » toc thieu, doc hieu, hoc thieu
trung cap » truong cao
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 - thanh ((trung cap) OR (trung tam)) nhung cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - thanh ((trung cap) OR (trung tam)) nhung cong tan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - thanh ((trung cap) OR (trung tam)) nhung cong tan ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - thanh ((trung cap) OR (trung tam)) nhung cong tan ((toan cau) or (toan tap))*.