If anyone would like a very good free search facility then try the basic version of WebFerret by FerretSoft. The basic version is free from here...click here free version carries adverts but the subsciption versiom Pro does not. Both versions have search facilities like: Any Keyword All Keywords Exact Phrase Boolean Expression (ie: Horse AND Cart)
Options include search history (very useful) and browser options etc. Try it and let me know how useful it is...or not!