Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 - thanh trung cap dung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh trung cap dung ((cong dan) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh trung cap dung ((cong dan) or (cong tan)) toan ban*.