Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
cua trong » cua truong, cua trung, qua trong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
van tan » van tuan, van ban, van tai

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 tranh) or (canh tranh)) cua trong cong ((manh toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tranh) OR (canh tranh)) cua trong cong ((manh toan) OR (van tan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tranh) or (canh tranh)) cua trong cong ((manh toan) or (van tan)) cao*.