Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
phung cong » nhung cong, phong cong, nhung chong
hanh tang » hanh trang, anh tang, hanh mang
cua phung » cua phuong, cua nhung, cua chung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
san ban » sang ban, van ban, san van
can ban » van ban, toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tang) OR (hanh trinh)) cua phung cong tan ((san ban) OR (can ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tang) or (hanh trinh)) cua phung cong tan ((san ban) OR (can ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) or (hanh trinh)) cua phung cong tan ((san ban) OR (can ban))*.