Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
thi nhung » thi nang, thi hong, thi huong
cong lang » cong vang, cong luong, cong quang
tung thi » tang thi, dung thi, tong thi
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - thanh tung thi nhung ((cong san) or (cong lang)) luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - thanh tung thi nhung ((cong san) OR (cong lang)) luan van.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh tung thi nhung ((cong san) or (cong lang)) luan van*.