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
tung cam » trung cap, tung pham, duong cam
dung cam » dung lam, dung cac, dung nam
cong dan » cong san, cong tan, huong dan
thanh ca » thanh cha, thanh cac, thanh ha
toan cao » toan ban, toan tap

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 - thanh ((tung cam) OR (dung cam)) dung cong dan ((thanh ca) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh ((tung cam) OR (dung cam)) dung cong dan ((thanh ca) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh ((tung cam) OR (dung cam)) dung cong dan ((thanh ca) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh ((tung cam) OR (dung cam)) dung cong dan ((thanh ca) or (toan cao))*.