Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) sach - hanh trinh cua nhung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - hanh trinh cua nhung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - hanh trinh cua nhung cong tan phan cau*.