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 cap » truong cao
thanh lap » thanh san, phan lap, thanh hai
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh cac, than cua

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 - hanh ((trung cap) or (trung tam)) thong cong ban ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trung cap) OR (trung tam)) thong cong ban ((than cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trung cap) or (trung tam)) thong cong ban ((than cap) or (thanh lap))*.