Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh lang » nhanh quang, nhanh thang, nhan dang
dang cong » dung cong
lang cua » mang cua, hang cua, long cua
cua dang » cua cong, cua ban
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (dieu hanh)) - nhanh lang cua dang cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (dieu hanh)) - nhanh lang cua dang cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (dieu hanh)) - nhanh lang cua dang cong dan ((toan cao) or (toan ban))*.