Perhaps you should try some spelling variations:
theo hien » theo chieu, thuc hien, theo tieu
hien hanh » dieu hanh
cong cong » cong dong, trong cong, dung cong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » 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 hien hanh - anh tang cua cong cong dan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hien hanh - anh tang cua cong cong dan ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo hien hanh - anh tang cua cong cong dan ((toan ban) or (toan cao))*.