Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung dung
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
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 chieu sach - hanh dung cua ((nhung cong) or (nhung huong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh dung cua ((nhung cong) OR (nhung huong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh dung cua ((nhung cong) or (nhung huong)) dan toan cao*.