Specialist in mod rewrite .htaccess

Hi, Im looking for someone REAL good to ´adjust´ my present .htaccess file or properly make it from scratch. The file is set up as mod rewrite but too many NON existing URLs is getting indexed. The site has 3 languages where EN is default. Only existing and urls with unique content should be found! Im going to provide you with the file and in case you need to insert/change some code in the php script I provide you with the IM of my coder. NO FTP ACCESS IS GIVEN! Looking forward to hearing from you. Pls dont waste my time this job is for someone you really knows what hes doing. Payment is send after file or content of file is provided.