Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh luat » trinh luat, tranh luan, trinh luan
thong cong » trong cong, thong thong, phong chong
tong cong » trong cong, cong cong, dung cong
vang toan » van toan, dang toan, quang toan
toan ban » van 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 ((thieu xanh) or (chieu xanh)) - canh tranh luat ((thong cong) OR (tong cong)) vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh luat ((thong cong) OR (tong cong)) vang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu xanh)) - canh tranh luat ((thong cong) OR (tong cong)) vang toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - canh tranh luat ((thong cong) OR (tong cong)) vang toan ban*.