Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung cong, nhung dung
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (theo chieu)) xanh - canh tranh cua ((nhung huong) OR (nhung phuong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) xanh - canh tranh cua ((nhung huong) OR (nhung phuong)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo chieu)) xanh - canh tranh cua ((nhung huong) OR (nhung phuong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) xanh - canh tranh cua ((nhung huong) OR (nhung phuong)) van toan cau*.