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