Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
thanh trung » thanh tung
duong manh » duong van
hoc thieu » hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
luan ban » luan van, luan han, luat ban
luan san » luan van, luan hoan, luan phan

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

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