Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
trung cap » truong cao, trung tam
cap dung » ap dung, cao dung, chan dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: hoc ((thien anh) or (thien danh)) - thanh trung cap dung ((cong dan) or (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - thanh trung cap dung ((cong dan) OR (cong san)) than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien danh)) - thanh trung cap dung ((cong dan) or (cong san)) than cap*.