Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 sach)) - thanh trung cua nhung ((cong ban) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh trung cua nhung ((cong ban) OR (cong tac)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu sach)) - thanh trung cua nhung ((cong ban) or (cong tac)) than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu sach)) - thanh trung cua nhung ((cong ban) or (cong tac)) than cau*.