Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
phuong dan » phuong danh, phuong doan, huong dan
hieu cach » hieu cac, chieu sach, hieu ca
trung cap » truong cao, trung tam
hoc hieu » hoc thieu, hoc hien, doc hieu
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 hieu cach - thanh ((trung cap) or (trung tuan)) bang phuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - thanh ((trung cap) OR (trung tuan)) bang phuong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - thanh ((trung cap) or (trung tuan)) bang phuong dan than cau*.