Perhaps you should try some spelling variations:
nhung tuong » nhung phuong, hung vuong, nhung cong
nhung huong » nhung phuong, nhung cong, nhung dung
hien sach » dien sach, kien sach, thien hach
hanh dung » thanh dung, anh dung, hanh dong
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - hanh dung cho ((nhung tuong) or (nhung huong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh dung cho ((nhung tuong) OR (nhung huong)) dan toan cao*.