Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hieu cach » hieu cac, chieu sach, hieu ca
bang quan » ban quan, nang quan, tang quan
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
hoc hieu » hoc thieu, hoc hien, doc hieu

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 cach - anh ((bang quan) or (nang suat)) nhung huong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - anh ((bang quan) OR (nang suat)) nhung huong dan thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - anh ((bang quan) or (nang suat)) nhung huong dan thanh cac*.