Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
dung manh » duong manh, dung danh, hung manh
cua tong » cua cong, cua dong, cua nong
dung dan » dung dat, dung san, tung dan
toan ban » van ban

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: theo chieu sach - canh tranh cua tong ((dung manh) OR (dung dan)) toan ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh cua tong ((dung manh) or (dung dan)) toan ban*.