Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hieu manh » chieu xanh, hieu nganh, hien hanh
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ban cua » ban quan

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 (dieu hanh)) - hanh ban cua nhung huong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (dieu hanh)) - hanh ban cua nhung huong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (dieu hanh)) - hanh ban cua nhung huong dan ((toan cau) or (toan ban))*.