Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
han tap » toan tap, nhan tai, nhan tao
han tai » hang tai, nhan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh ((tang cua) or (dung luan)) nhung cong dan ((han tap) OR (han tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((tang cua) OR (dung luan)) nhung cong dan ((han tap) OR (han tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((tang cua) or (dung luan)) nhung cong dan ((han tap) OR (han tai))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((tang cua) or (dung luan)) nhung cong dan ((han tap) OR (han tai))*.