In the ProjectWise v8i search form (full text tab), if you type in a known noise word (e.g. and) into the search field (Look for :) with the Look inside set to "File Contents" and the Return Documents set to "Including exact phrase".
ProjectWise V8 XM the search does not return any values – noise words are ignored, however ProjectWise V8i will return the results when searching for noise words.
ProjectWise is using Windows Indexing to search for files, if the window search finds a document than PW will also show it. It works differently with different OS for noise word.
Please go through below mentioned link to avoid this in Windows Server 2008.