This is in the original key of the song. I listened to it and tried to figure out the
chords myself. I'm not entirely sure whether the chords for the chorus and the bridge-ish
part are correct, though. If there are any mistakes or whatever, please let me know. :) 
Nevertheless, enjoy. :D

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Intro: Bb F Gm  Bb F Gm

Bb (x1333x@1)                F (133211@1)            Gm (355333@1)              BbPlease (x1333x@1)will you come back to me
           F (133211@1)             Eb (x43121@3)                            BbI (x1333x@1)was a fool just to leave you hanging
              F (133211@1)       Gm (355333@1)            Bb (x1333x@1)name="chord_133211@1">F EbIf (x43121@3)courage is all I need to find you
Bb (x1333x@1)              F (133211@1)             Gm (355333@1)                   BbWhen (x1333x@1)will the snow melt away
               F (133211@1)           Eb (x43121@3)                          BbAnd (x1333x@1)all the pieces will fit together
                  F (133211@1)            GmNow (355333@1)I've got so much to say
          Bb (x1333x@1)name="chord_133211@1">F Eb (x43121@3)              Bb (x1333x@1)name="chord_133211@1">F EbI (x43121@3)need you, gonna find you

Chorus:
Bb (x1333x@1)            F (133211@1)   GmLooking (355333@1)for angel, are you angel
Bb (x1333x@1)            F (133211@1)     EbLooking (x43121@3)for angel help
Bb (x1333x@1)              F (133211@1)   GmCalling (355333@1)for angel, are you my angel
Bb (x1333x@1)              F (133211@1)     GmCalling (355333@1)for angel help

Bb (x1333x@1)             F (133211@1)            GmCome (355333@1)back, come back, come back to me
F (133211@1)                         EbI (x43121@3)cannot make it without you
Bb (x1333x@1)         F (133211@1)     GmOn (355333@1)my knees, oh, won't you please
Eb (x43121@3)               FCome (133211@1)back to me
Eb (x43121@3)               F (133211@1)          Bb(to (x1333x@1)intro chords below)
Come back to me, dear friend

(Bb) F Gm  Bb F Gm

[Repeat chorus]

Eb (x43121@3)               F (133211@1)         GmCome (355333@1)back to me, dear friend
Eb (x43121@3)               F (133211@1)         GmCome (355333@1)back to me, dear friend
Eb (x43121@3)               F (133211@1)         Bb(to (x1333x@1)intro chords below)
Come back to me, dear friend

(Bb) F Gm  Bb F Gm