Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quang » thieu quang, hieu quan, hieu qua
trung cap » truong cao, trung tam
cap hang » cap hoang, cap bang, cap han
nong san » cong san, nong dan, trong san
dong san » cong san, dong bang, dong von
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu quang)) - thanh trung cap hang ((nong san) OR (dong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu quang)) - thanh trung cap hang ((nong san) OR (dong san)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (hieu quang)) - thanh trung cap hang ((nong san) OR (dong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu quang)) - thanh trung cap hang ((nong san) OR (dong san)) than cap*.