[1] : WordNet (r) 2.0

mixed bag
     n : a collection containing a variety of sorts of things; "a
         great assortment of cars was on display"; "he had a
         variety of disorders"; "a veritable smorgasbord of
         religions" syn: assortment, mixture, miscellany, miscellanea,
          variety, salmagundi, smorgasbord, potpourri, motley
see also:
assortment mixture miscellany miscellanea variety salmagundi 
smorgasbord potpourri motley 

[2] : Moby Thesaurus II by Grady Ward, 1.0

34 moby thesaurus words for "mixed bag":
   all sorts, assemblage, assortment, broad spectrum, conglomeration,
   gallimaufry, hash, hodgepodge, hotchpot, hotchpotch, jumble,
   magpie, mash, medley, melange, mess, mingle-mangle, miscellany,
   mishmash, mix, odds and ends, olio, olla podrida, omnium-gatherum,
   pasticcio, pastiche, patchwork, potpourri, salad, salmagundi,
   sauce, scramble, stew, what you will

Bag >> B Words
Bag, definition of term: Bag
bag_pag1.html

Book Bag >> B Words
Book Bag, definition of term: Book Bag
book+bag_pag1.html