Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
canh tinh » hanh tinh, manh tinh, canh tranh
vat nhung » va nhung, vap nhung, vai nhung
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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 sach - ((canh tinh) or (hanh trinh)) vat nhung cong ((dan phan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((canh tinh) OR (hanh trinh)) vat nhung cong ((dan phan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((canh tinh) or (hanh trinh)) vat nhung cong ((dan phan) or (dan chan)) cau*.