Perhaps you should try some spelling variations:
hanh trinh » canh tranh
doi chieu » doc hieu, ho chieu, mot chieu
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, tuan cu
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) or (hanh chinh)) qua dung cong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - ((hanh trinh) OR (hanh chinh)) qua dung cong anh tuan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - ((hanh trinh) or (hanh chinh)) qua dung cong anh tuan cau*.