Below function searches for a string in specified document and returns true if it finds the string else returns false.
function findTextInWord(doc_file,looking_for)
Set objWord = CreateObject("Word.Application")
Set objDoc = objWord.Documents.Open(doc_file)
'Create a Range object of the file's contents
Set objRange = objDoc.Content 'Is equivalent to: Set objRange = Range()
'Grab the text within that range
strContents = objRange.Text
'Remove any non-printing characters such as bullets
strContents = objWord.CleanString(strContents)
objDoc.close
set objDoc=Nothing
if instr(strContents,looking_for)> 0 then
findTextInWord=true
else
findTextInWord=false
end if
end Function
if findTextInWord("path of the word document","search string") then
msgbox "Found"
else
msgbox "Not found"
end if