You can modify the built-in report "Software: List of software by computer" under Reports/View All Reports.
Add the below to the Criteria column for the tblSoftwareUni.softwareName expression.
= 'Microsoft Office Professional Plus 2010' or = 'Microsoft Office Standard 2010'
To exclude machines based on asset name, replace the tblAssets.AssetUnique expression with tblAssets.AssetName and add the below to the Criteria column.
Not Like 'DELL12345%'
For future reporting, we would recommend reviewing some SQL tutorials, as the Lansweeper report builder uses standard SQL queries and what you are asking is a basic SQL thing. There are several good tutorials available online, e.g.: http://www.w3schools.com/sql/default.asp