Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tram van » tran van, tam van, trang van
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban
toan tai » doanh tai, toan ban, toan cao
toan tap » 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 tram van dung cong dan ((((toan cau) OR (toan tai))) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tram van dung cong dan ((((toan cau) OR (toan tai))) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tram van dung cong dan ((((toan cau) OR (toan tai))) or (toan tap))*.