Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
dan toan » van toan, dan than, manh toan
toan ban » van ban
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu sach)) - hanh manh va nhung huong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - hanh manh va nhung huong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - hanh manh va nhung huong dan toan ban*.