I google link:www.domain.com, why somebody's site can have many backlink from his own site. but some other site, including my site , the search result is - your site did not match any documents. Why ?
[url=http://www.fixawell.com/]Oil filter, air filter and brake pad[/url]
Probably their site is already and authority. Google doesn´t show but a small proportion of the backlinks that a webpage has, both external and internal backlinks.