Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh ((trung cua) or (trung cap)) thong cong tan ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung cua) OR (trung cap)) thong cong tan ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung cua) or (trung cap)) thong cong tan ((than cap) or (toan cau))*.