Sub Demo()
With Selection.Range
  With .Find
    .ClearFormatting
    .Text = "Heading"
    .Replacement.Text = ""
    .Forward = True
    .Wrap = wdFindStop
    .Format = True
    .MatchCase = False
    .MatchWholeWord = False
    .MatchWildcards = False
    .MatchSoundsLike = False
    .MatchAllWordForms = False
    .Execute
  End With
  Do While .Find.Found
    ' get the next word
    MsgBox .Words.Last.Next.Words.First
    ' get the whole paragraph
    MsgBox .Paragraphs.Last.Range.Text
    .Collapse wdCollapseEnd
    .Find.Execute
  Loop
End With
End Sub