Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
cuong danh » cuon danh, huong dan, cuong linh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
tuan cau » toan cau, quan cau, tuan cu

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 nhung ((cuong danh) or (cong tan)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trinh cua nhung ((cuong danh) OR (cong tan)) tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh cua nhung ((cuong danh) or (cong tan)) tuan cau*.