Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
toc chieu » toc thieu, doc hieu, hoc thieu
cua hang » cua dang, cua nhung, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: toc chieu sach - hanh trang ((cua hang) or (cua cong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - hanh trang ((cua hang) OR (cua cong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - hanh trang ((cua hang) or (cua cong)) cong tac toan cau*.