Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thang cua » hang cua, than cua, tang cua
thong cua » thong quan, thong tu, huong cua
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((thang cua) OR (thong cua)) hang cong tac ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((thang cua) OR (thong cua)) hang cong tac ((toan cau) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((thang cua) OR (thong cua)) hang cong tac ((toan cau) or (toan tap))*.