Perhaps you should try some spelling variations:
hien manh » hien hanh, tien manh, hieu manh
thong cua » thong quan, thong tu, huong cua
dung cong » dung trong
dung cua » dung luan, dung cho
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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: hoc hien manh - thanh ((dung cua) or (thong cua)) dung cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - thanh ((dung cua) OR (thong cua)) dung cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - thanh ((dung cua) or (thong cua)) dung cong tac ((toan cau) or (toan cao))*.