Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tang luan » dung luan
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, thong cua
cong tan » cong tac, cong san, cong thanh
ta cau » tao cau, tra cau, va cau
chat » nhat, phat

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