Perhaps you should try some spelling variations:
thong thuong » thong thong, hang thuong, cong thuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
thuong dan » huong dan, thuong han, thuong dam
trung cap » trung tam
dan than » dan chan, ban than, van than
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 ((thieu xanh) OR (chieu xanh)) - thanh ((trung cap) or (truong cao)) thong thuong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung cap) OR (truong cao)) thong thuong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung cap) or (truong cao)) thong thuong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung cap) or (truong cao)) thong thuong dan than cap*.