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
cua cuong » cua cong, cua huong, cua truong
thanh lap » thanh san, phan lap, thanh hai
tung dan » dung dan, huong dan, trung dai
dung san » dong san, dung sai, dung luan

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 - canh tranh cua cuong ((tung dan) or (dung san)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh cua cuong ((tung dan) OR (dung san)) thanh lap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh cua cuong ((tung dan) or (dung san)) thanh lap*.