Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung dong » nhung don, nhung cong, nhung dung
hoc thieu » toc thieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
dong luan » dung luan, tong luan, dong xuan
ho chieu » theo chieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (((hoc thieu) or (hoc hien)))) sach - thanh trung cua nhung dong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((hoc thieu) OR (hoc hien)))) sach - thanh trung cua nhung dong luan van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((hoc thieu) or (hoc hien)))) sach - thanh trung cua nhung dong luan van ban*.