Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh luat » nganh luat, hang luan, hanh lam
van thong » van thuong, van phong, va thong
doc hieu » toc thieu, hoc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
luat van » luan van, luat dan, luat va
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan tap » toan tap, doan cap, doanh tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo chu)) xanh - hanh luat van thong cong tap doan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo chu)) xanh - hanh luat van thong cong tap doan tap.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo chu)) xanh - hanh luat van thong cong tap doan tap*.