If you wish to use the Range.Find method, then you will need a list of the words to check for and loop through the list. It may be that there are sentences that contain more than one of the words, in which case they will be duplicated in the worksheet. There is no need to copy and paste which is slow. You can write the range directly to the worksheet. The following, based on your original, should work. Add your own word list each in quotes and separated by a comma as shown:
Option Explicit
Sub FindWordCopySentence()
Dim appExcel As Object
Dim objSheet As Object
Dim aRange As Range
Dim intRowCount As Integer
Dim vWords As Variant
Dim i As Long
vWords = Array("shall", "lorem", "ipsum") 'The list of words or phrases
If objSheet Is Nothing Then
On Error Resume Next
Set appExcel = GetObject(, "Excel.Application")
If Err Then
Set appExcel = CreateObject("Excel.Application")
End If
On Error GoTo 0
'Change the file path to match the location of your test.xls
Set objSheet = appExcel.workbooks.Open("C:\temp\test.xlsx").Sheets("Sheet1")
End If
For i = 0 To UBound(vWords)
Set aRange = ActiveDocument.Range
With aRange.Find
Do
.Text = vWords(i)
.Execute
If .Found Then
aRange.Expand Unit:=wdSentence
intRowCount = objSheet.Range("A" & objSheet.Rows.Count).End(-4162).Row + 1
objSheet.Cells(intRowCount, 1) = aRange.Text
aRange.Collapse wdCollapseEnd
End If
Loop While .Found
End With
Next i
If Not objSheet Is Nothing Then
appExcel.workbooks(1).Close True
appExcel.Quit
Set objSheet = Nothing
Set appExcel = Nothing
End If
Set aRange = Nothing
End Sub