Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
thang cua » thong cua, hang cua, than cua
cong cong » cong dong, trong cong, dung cong
cong dan » cong san, cong tan, huong dan
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: theo tieu xanh - cang thang cua cong cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - cang thang cua cong cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - cang thang cua cong cong dan ((toan cau) or (toan cao))*.