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In the Advanced Search page of Microsoft Office SharePoint Server 2007, you enter text in the All of these words text box or in the The exact phrase text box. When you perform the search, thesaurus is not applied in the search.
To resolve this issue, apply both of the following updates:
Registry key informationImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756After you install the hotfix package, follow these steps to enable the hotfix:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows