Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
trung cap » truong cao, trung tam
dung cong » dung trong
thanh cac » hanh cac, thanh bac, thanh ca
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - thanh trung cap dung cong dan ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh trung cap dung cong dan ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - thanh trung cap dung cong dan ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh trung cap dung cong dan ((than cap) OR (thanh cac))*.