Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hieu cach » hieu cac, chieu sach, hieu ca
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
manh cua » doanh cua, ban cua
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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 - canh manh cua nhung huong dan ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu cach - canh manh cua nhung huong dan ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - canh manh cua nhung huong dan ((phan cac) OR (phan dau))*.