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What's Google doing to my search?

by florian vogler ::  | 
I did a search on "Domino Server Monitoring panagenda" today to see how our Domino Server Monitoring & Reporting solution greenLight does in google (don't ask; and I included "panagenda" in the search on purpose to get an idea of how often we show up);

Here are the result counts as of today:
host?hl= (language)search# of results
google.atdedomino server monitoring panagenda227 (huh?)
google.atdedomino and server and monitoring and panagenda85
google.atendomino server monitoring panagenda69
google.atendomino and server and monitoring and panagenda85 (more!)
google.comendomino server monitoring panagenda67
google.comendomino and server and monitoring and panagenda85 (more!)

It looks like as if with the German language selected, one or more of the search terms are considered to be stop-words (as searching for less terms increases the result), but I have difficulties understanding why any of the terms Domino, Server, Monitoring or panagenda should be stopwords in German ... ? - it's pretty much the same on google.de, different only by one or two results which I consider to be plain indexing issues.

What also confuses me is that AND'ing the search terms produces more results than if you don't AND them. On the result page, Google even explicitly states
The "AND" operator is unnecessary -- we include all search terms by default.
If it's unnecessary, why are the results different then? I would have understood if AND'ing search terms would produce less results because it would then perhaps not run through as many variations and combinations of words - but more? Here's the results for other search terms that show the exact same behaviour in Google:
host?hl= (language)search# of results
google.comenibm lotus notes domino855,000
google.comenibm and lotus and notes and domino1,400,000
google.comenplanet lotus org blogs news aggregation9,660
google.comenplanet and lotus and org and blogs and news and aggregation41,400
Does anyone know why a.) the results in German and English are so different (in this particular / similar cases) and b.) why apparently AND'ing search terms increases the result?

Hey, potentially it's an April fool's joke (by Google of course, not me)!
 
 

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