Perhaps you should try some spelling variations:
"the emperor's voice in microsoft" » "the emperor's forces in microsoft", "the emperor's life in microsoft", "the emperor's justice in microsoft"
"the expert's voice in microsoft" » "the experts voices in microsoft", "the expert's guide in microsoft", "the expert voices in microsoft"
"The expert sources in Microsoft" » "The egret sources in Microsoft", "The report sources in Microsoft", "The exposure sources in Microsoft"
"the expert view in microsoft" » "the expert views in microsoft", "the expert review in microsoft"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the expert's voice in microsoft") OR ((("The expert sources in Microsoft") OR ("the expert view in microsoft"))))) OR ("the emperor's voice in microsoft")).
• Removing quotes may allow a broader search: (((( the expert's voice in microsoft ) or ((( The expert sources in Microsoft ) or ( the expert view in microsoft ))))) or ( the emperor's voice in microsoft )).
• Adding a wildcard symbol may retrieve word variants: (((("the expert's voice in microsoft") or ((("The expert sources in Microsoft") or ("the expert view in microsoft"))))) or ("the emperor's voice in microsoft"))*.