Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tuong dan » huong dan, xuong dan, truong dai
ho chieu » theo chieu, hoc thieu, doi chieu
tung dan » dung dan, huong dan, trung dai
chan cap » khan cap, than cap, cao cap

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 (canh tranh)) cua nhung ((tuong dan) OR (tung dan)) chan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tang) or (canh tranh)) cua nhung ((tuong dan) OR (tung dan)) chan cap~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) or (canh tranh)) cua nhung ((tuong dan) OR (tung dan)) chan cap*.