Phrase:Returns all topics that contain the exact phrase in the search criteria. Use quotation marks around the phrase. Ex."system administration"
And:Returns all topics that contain all the words in the search criteria, in any combination. Insert a plus sign between all words in the search criteria. Ex.system + administration
Or:Returns all topics with any combination of words in the search criteria. This is the default. Ex.system administration
PP
Planning Package. A logical aggregation of work within a cost account, normally the far-term effort, that can be identified and budgeted in early baseline planning, but is not yet defined into work packages.