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

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

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