Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tinh lang » dinh lang, tinh sang, tinh bang
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
lang cua » mang cua, hang cua, long cua
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van 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 chu xanh - tinh lang cua nhung cong dan ((toan cao) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - tinh lang cua nhung cong dan ((toan cao) or (toan ban))*.