Â, –, etc Shown in my wp-admin

Dear, i am facing in sql database. Someone hack my site. When i retrieve i found these character Â, –, etc show in my post and page when i edit them. If i remove these, my post content removed. However Site is show fine everything for user. this problem in wp-admin. For your info.
Site Shows: (Contant)
CID is the most popular series of thrilling crime investigation of Sony Entertainment Television. In the serial the reall stories present to the audiance with facticious character. The story is all around the Police Department and its method of investigation.
Watch hindi drama serial CID online. Free episodes and updates of CID available online. Download and watch episodes of CID. Hindi Serials And Hindi Dramas. Watch CID online for free. Star Plus Serial CID episodes are available online to Download and Watch.
Youtube Links HD Vedios
CID – 1st December 2012 Part 1
CID – 1st December 2012 Part 2
CID – 1st December 2012 Part 3
In WP-Admin
CID is the most popular series of thrilling crime investigation of Sony Entertainment Television. In the serial the reall stories present to the audiance with facticious character. The story is all around the Police Department and its method of investigation.
Watch hindi drama serial CID online. Free episodes and updates of CID available online. Download and watch episodes of CID. Hindi Serials And Hindi Dramas. Watch CID online for free. Star Plus Serial CID episodes are available online to Download and Watch.
           Youtube Links HD Vedios
                 CID – 1st December 2012 Part 1
                 CID – 1st December 2012 Part 2
                 CID – 1st December 2012 Part 3