Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chinh tham » chinh nham, chinh tai, hinh thai
tham dung » pham dung, tham cung, tham nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tay cao » tao cao, tay co, toan cao
tan ca » tan cua, tang ca, dan ca

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 chinh tham dung ((cong san) OR (cong tac)) ((tan ca) OR (tay cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh chinh tham dung ((cong san) OR (cong tac)) ((tan ca) or (tay cao))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh chinh tham dung ((cong san) OR (cong tac)) ((tan ca) or (tay cao))*.