Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, trinh luan
chieu xanh » chieu sach, chieu sang, chieu tinh
luat thong » luat thuong, suat thong, xuat thong
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hieu manh)) - canh tranh luat thong cong vang phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu manh)) - canh tranh luat thong cong vang phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu manh)) - canh tranh luat thong cong vang phan tu*.