Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
tong thanh » thong thanh, trong thanh, dong thanh
rong thanh » dong thanh, cong thanh, truong thanh
trung cap » truong cao, trung tam
cap hang » cap hoang, cap bang, cap han

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chieu xanh)) - thanh trung cap hang ((tong thanh) or (rong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh trung cap hang ((tong thanh) OR (rong thanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh trung cap hang ((tong thanh) or (rong thanh)) van ban*.