Perhaps you should try some spelling variations:
luat thong » luat thuong, suat thong, xuat thong
hieu nganh » vien nganh, hiem ngan, nghiep nganh
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
quang tran » quang tuan, quang trung, quang thanh
hieu manh » chieu xanh, dieu hanh, hien hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luat » tang luan, nang suat, hang luan
tran ban » tranh ban, tran van, toan 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 ((hieu nganh) or (hieu manh)) - hanh tang luat thong cong quang tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hieu manh)) - hanh tang luat thong cong quang tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (hieu manh)) - hanh tang luat thong cong quang tran ban*.