Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
dung huong » dung thuong, dong huong, dung luong
dan phan » doan phan, dan chan, van 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 sach - ((hanh tranh) OR (canh tranh)) cua ((dung huong) or (dung phuong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh tranh) OR (canh tranh)) cua ((dung huong) OR (dung phuong)) dan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((hanh tranh) OR (canh tranh)) cua ((dung huong) or (dung phuong)) dan phan cau*".