Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
cua nhung » va nhung
nhan dan » phan dau, gian dan
nhan tai » hang tai, van tai, toan tai
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 - ((((nhan dan) OR (nhan tai))) OR (nhanh thang)) cua nhung cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((((nhan dan) OR (nhan tai))) or (nhanh thang)) cua nhung cong dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((((nhan dan) OR (nhan tai))) or (nhanh thang)) cua nhung cong dan toan cau*.