Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
nhanh bac » nhanh ha, nhanh va
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
bac cua » ban cua, tac cua, bai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chinh sach)) - nhanh bac cua dung cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - nhanh bac cua dung cong dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - nhanh bac cua dung cong dan ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - nhanh bac cua dung cong dan ((toan cau) or (toan cao))*.