[YouTube-API] Channel search not returning results?

if i go to http://gdata.youtube.com/feeds/api/channels?q=google&v=2 i get no results:

<?xml version='1.0' encoding='UTF-8'?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearch/1.1/' xmlns:gd='http://schemas.google.com/g/2005' gd:etag='W/&quot;DkEEQH85fip7I2A9WhVSF0w.&quot;'><id>tag:youtube.com,2008:channels</id><updated>2012-03-14T08:43:21.126Z</updated><category scheme='http://schemas.google.com/g/2005#kind' term='http://gdata.youtube.com/schemas/2007#channel'/><title>YouTube Channels matching query: google</title><logo>http://www.youtube.com/img/pic_youtubelogo_123x63.gif</logo><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/channels?v=2'/><link rel='http://schemas.google.com/g/2005#batch' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/channels/batch?v=2'/><link rel='self' type='application/atom+xml' href='http://gdata.youtube.com/feeds/api/channels?q=google&amp;start-index=1&amp;max-results=25&amp;v=2'/><link rel='service' type='application/atomsvc+xml' href='http://gdata.youtube.com/feeds/api/channels?alt=atom-service&amp;v=2'/><author><name>YouTube</name><uri>http://www.youtube.com/</uri></author><generator version='2.1' uri='http://gdata.youtube.com'>YouTube data API</generator><openSearch:totalResults>0</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage></feed>

However http://gdata.youtube.com/feeds/api/channels?q=microsoft&v=2 works like it should. 

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