+happy +(dog or cat)
"happy dog"
(foo OR bar) AND (baz OR boo)
((a OR b) AND NOT c) OR d)
+(apple "steve jobs") -(banana orange pear)
+title:(dog OR cat) -author:"bob dobbs"
+(luc*) -(ball)
Chestnut Hill Cat Clinic 8220 Germantown Avenue Philadelphia, PA 19118 (215) 247-9560