Extended Google Search Option

I require software that will allow me to search vehicles for sale on the internet that fall within a specified mileage. ? The software must include vehicles for sale on Craigslist.org. However, since [login to view URL] prohibits any type searching by 3rd party software, the software must utilized google's search engine since google has an agreement to index craigslist content. The software must be able to search vehicles within a specified mileage range. ? An example search may be: 2008 Toyota Tundra ? mileage between 40,000 to 60,000. Since vehicle owners may enter mileage in unknown formats, it is important the software take this into account. ? Here is an example of a search result with multiple possibilities mileage could be entered: [login to view URL] I understand that false results may arrive since there is an infinite possibility of ways vehicle owners may enter mileage. ? That is okay. ? I am interested in search results for common ways entered.