Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
cong phan » cong nhan, cong khan, chong phap
ho chieu » theo chieu, hoc thieu, mot chieu
phan tan » phan van, phan tap, phan lan
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - ((canh tranh) or (hanh trinh)) cua nhung cong phan tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((canh tranh) OR (hanh trinh)) cua nhung cong phan tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - ((canh tranh) or (hanh trinh)) cua nhung cong phan tan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - ((canh tranh) or (hanh trinh)) cua nhung cong phan tan cau*.