Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
dong doanh » dung doanh, trong doanh, doanh doanh
doi chieu » doc hieu, doi chi, mot chieu
luat hang » luat hanh, luat chung, luat quang
cong hoan » cong hoa, dong hoa, cong san
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trinh luat hang ((dong doanh) or (cong hoan)) quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trinh luat hang ((dong doanh) OR (cong hoan)) quan cau*.