Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cap dung » ap dung, cao dung, chan dung
cong dan » huong dan, cong dong, cong tac
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
khan cap » khan ap, than cap, khoan cam

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 - thanh trung cap dung ((((cong dan) OR (cong san))) or (cong tan)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cap dung ((((cong dan) OR (cong san))) OR (cong tan)) khan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung cap dung ((((cong dan) OR (cong san))) or (cong tan)) khan cap*".