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, cach mang, van manh
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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