Perhaps you should try some spelling variations:
thanh tung » thanh cong
cao thuong » cao truong, ca thuong, cho thuong
tien manh » tien thanh, tieng anh, tran manh
tien anh » tieng anh, dien anh, tien thanh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) or (tien manh)) - thanh tung ((cua cong) or (cao thuong)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tien manh)) - thanh tung ((cua cong) OR (cao thuong)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (tien manh)) - thanh tung ((cua cong) or (cao thuong)) cong dan than cau*.