Perhaps you should try some spelling variations:
nhung tuong » nhung phuong, hung vuong, nhung cong
nhung huong » nhung phuong, nhung cong, nhung dung
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
tran van » luan van
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 sach - hanh tran van ((nhung tuong) or (nhung huong)) ((dan than) OR (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh tran van ((nhung tuong) OR (nhung huong)) ((dan than) OR (van than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh tran van ((nhung tuong) or (nhung huong)) ((dan than) OR (van than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tran van ((nhung tuong) or (nhung huong)) ((dan than) OR (van than)) cau*.