Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh trang » thanh trung, canh tranh, hanh trinh
tieu sach » chieu sach, dien sach, te sach
trang cua » tranh cua, tang cua, trung cua
cua hang » cua dang, cua nhung, cua cong
cong tac » cong ty
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: theo tieu sach - hanh trang cua hang ((cong tac) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh trang cua hang ((cong tac) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh trang cua hang ((cong tac) or (cong thanh)) toan cao*.