Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, trinh luan
thieu xanh » chieu xanh, thien anh, thien danh
luat thong » luat thuong, suat thong, xuat thong
cong ngang » cong nhan, cong quang, cong lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong vang » cong lang, cong quang, cong san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - canh tranh luat thong ((cong vang) OR (cong ngang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - canh tranh luat thong ((cong vang) OR (cong ngang)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - canh tranh luat thong ((cong vang) OR (cong ngang)) phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - canh tranh luat thong ((cong vang) OR (cong ngang)) phan tu*.