Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang

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 sach - hanh trang cua dung cong ((tinh toan) or (((dan chan) or (ban than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trang cua dung cong ((tinh toan) OR (((dan chan) OR (ban than)))) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trang cua dung cong ((tinh toan) or (((dan chan) or (ban than)))) cau*.