Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
thanh cua » tranh cua, than cua, hanh cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan tap
toan ban » van ban
o cuu » ho cuu, so cuu, _ cuu

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

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