Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu sach » chieu sach, dien sach, te sach
luat hang » luat hanh, luat chung, luat quang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cao » toan ban
toan tap » toan ban

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 trinh luat hang ((cong tan) or (cong tac)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh trinh luat hang ((cong tan) OR (cong tac)) ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh trinh luat hang ((cong tan) or (cong tac)) ((toan cao) or (toan tap))*.