Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua phong » cua phuong, cua khong, cuu phong
trong tan » trong quan, trong ca, cong tan
ho chiet » ho chieu, ho thiet, hoc thiet
toan cau » toan ban, toan tap, toan tai
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: ho chiet tach - hanh trinh cua phong ((trong tan) or (trong cac)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trinh cua phong ((trong tan) OR (trong cac)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh cua phong ((trong tan) or (trong cac)) ((toan cau) or (toan cao))*.