Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hien sach » dien sach, kien sach, thien hach
hanh hanh » hanh han, xanh hanh, nhanh thanh
toan cau » toan ban, toan tai
toan tap » toan ban
toan cao » toan ban
hanh va » hang va, hanh vi

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 hanh va nhung huong dan ((((toan cau) or (toan tap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh hanh va nhung huong dan ((((toan cau) OR (toan tap))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh hanh va nhung huong dan ((((toan cau) or (toan tap))) or (toan cao))*.