Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu sang » chieu sang, tieu dung, tiem nang
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
thanh cha » thanh ha, thanh nha, thanh phan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - thanh trung cap thong ((cong dan) OR (cong tan)) ((hanh va) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - thanh trung cap thong ((cong dan) OR (cong tan)) ((hanh va) OR (thanh cha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - thanh trung cap thong ((cong dan) OR (cong tan)) ((hanh va) or (thanh cha))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh trung cap thong ((cong dan) OR (cong tan)) ((hanh va) or (thanh cha))*.