Perhaps you should try some spelling variations:
nhung tuong » nhung phuong, hung vuong, nhung cong
nhung huong » nhung phuong, nhung cong, nhung dung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cach dung » cach mang, tac dung, anh dung
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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

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