Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong trong » cong thuong, duong trong, cong trinh
trong dang » truong dang, trong dan, trong dong
hop chieu » ho chieu, hop nhieu, thap chieu
tranh cua » doanh cua, manh cua
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop chieu sach - canh tranh cua cong trong dang ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop chieu sach - canh tranh cua cong trong dang ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hop chieu sach - canh tranh cua cong trong dang ((toan cau) or (toan cao))*.