Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, hien hanh
hang luat » hang luan, hanh luat, hang xuat
dan thanh » dang thanh, danh thanh, ban thanh
cong dan » cong san, cong tan, huong dan
luat va » xuat va, luat ve, suat va

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: hoc ((((hieu manh) OR (dieu hanh))) OR (chieu sang)) - hang luat va nhung cong dan thanh san~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (dieu hanh))) or (chieu sang)) - hang luat va nhung cong dan thanh san*.