Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
tong cong » trong cong, cong cong, dung cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
van toan » van tuan, van tan, van thanh

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