Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
luan trong » quan trong, luat trong, luan tuong
hien hanh » dieu hanh
lang luan » tang luan, hang luan, bang luan
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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 hien hanh - nhanh lang luan trong cong dan ((han tap) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - nhanh lang luan trong cong dan ((han tap) or (toan tap))*.