Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
luat dung » suat dung, luat chung, luat quang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
than tap » toan tap, han tap, phan 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: hoc ((hien xanh) OR (hien hanh)) - hanh trinh luat dung cong dan ((than tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - hanh trinh luat dung cong dan ((than tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - hanh trinh luat dung cong dan ((than tap) or (toan ban))*.