Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
toc chiet » toc thieu, hoc thiet, toc viet
trinh cua » tinh cua, trinh luat, trinh quan
cua dung » cua dang, cua dong, qua dung
trong ca » trong cac, trong nha
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chiet tach - hanh trinh cua dung trong ca ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chiet tach - hanh trinh cua dung trong ca ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: toc chiet tach - hanh trinh cua dung trong ca ((toan cau) or (toan ban))*.