Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
hoc chiet » hoc thiet, hoc nhiet, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua tuong » cua truong, cua thuong, cua huong
dong san » dong bang, dong von, dong ha
cong san » cong tac
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: hoc chiet tach - hanh trinh cua tuong ((dong san) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh trinh cua tuong ((dong san) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh trinh cua tuong ((dong san) or (cong san)) toan cau*.