Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
thuc cua » hoc cua, thuc va
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 - nhanh ((bac cua) or (thuc 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 - nhanh ((bac cua) OR (thuc cua)) dung cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhanh ((bac cua) or (thuc cua)) dung cong dan ((toan cau) or (toan cao))*.