Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
theo chieu » theo tieu, ho chieu, thi chieu
tong huong » thong huong, tong thuong, cong huong
theo chu » cho chu, chao chu, theo yeu
cua tong » cua cong, cua dong, cua nong
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) OR (theo chu)) sach - ((hanh tranh) or (canh tranh)) cua tong huong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - ((hanh tranh) OR (canh tranh)) cua tong huong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) sach - ((hanh tranh) or (canh tranh)) cua tong huong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) sach - ((hanh tranh) or (canh tranh)) cua tong huong dan phan cau*.