Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung cong, nhung dung
toc chieu » doc hieu, hoc thieu, doi chieu
hanh tran » hanh trang, thanh tran, hanh tram
manh toan » thanh toan, anh tuan, tinh toan
tran van » luan van
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) OR (toc thieu)) sach - hanh tran van ((nhung huong) or (nhung phuong)) manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (toc thieu)) sach - hanh tran van ((nhung huong) OR (nhung phuong)) manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc chieu) OR (toc thieu)) sach - hanh tran van ((nhung huong) or (nhung phuong)) manh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((toc chieu) OR (toc thieu)) sach - hanh tran van ((nhung huong) or (nhung phuong)) manh toan tap*.