Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung tuong » nhung huong, nhung phuong, hung vuong
tuong luan » truong luan, tong luan, thong luan
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu
ho chieu » theo chieu, hoc thieu, doi chieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doc hieu) OR (hoc hien))) OR (ho chieu)) tinh - thanh trung cua nhung tuong luan van ban~.
• Adding a wildcard symbol may retrieve word variants: ((((doc hieu) or (hoc hien))) or (ho chieu)) tinh - thanh trung cua nhung tuong luan van ban*.