Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) sang - canh tranh cua nhung huong ((dan toan) OR (dan than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doc hieu)) sang - canh tranh cua nhung huong ((dan toan) OR (dan than)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) sang - canh tranh cua nhung huong ((dan toan) OR (dan than)) cau*.