[htaccess]want to make website seo friendly

hello friends
i want to make my website seo friendly by using mod_rewrite
i want to replace

index.php?search=rihana&source=4shared

Code (markup):

to

search/rihana/4shared.html

Code (markup):

i added this to my htaccess file but nothing happened

Options +FollowSymlinks
RewriteEngine on
RewriteBase /
RewriteRule ^search/([^/]+)/([^/]+).html /index.php?search=$1&source=$2 [NC]
RewriteRule ^search/([^/]+)/([^/]+).html /video.php?search=$1&source=$2 [NC]

Code (markup):

my website :- http://mmusicz.com

please somebody help me

 

Try

Options +FollowSymLinks
RewriteEngine on
RewriteRule search/(.*)/(.*).html$ index.php?search=$1&source=$2

Code (markup):

 

not working

 

is mod rewrite enabled ?

 

yes it is enabled