Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
nhan dang » nhan dan, phan dang, tran dang
cong dan » cong san, cong tan, huong dan
toan cau » toan tap, toan tai
toan cao » toan tap
toan ban » van ban
dang va » dang van, dang vat, hang va

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 - nhan dang va nhung cong dan ((((toan cau) or (toan cao))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - nhan dang va nhung cong dan ((((toan cau) OR (toan cao))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhan dang va nhung cong dan ((((toan cau) or (toan cao))) or (toan ban))*.