When I compare the search volumes of the two terms “tester” and “software tester” with googles “ Google Keyword Tool ”, Google Trends , they are largely contradictory - as shown in the screenshots. Which one is right? What am I doing wrong? Any ideas?
Google Keyword Tool http://files.heikohaller.de/GoogleAdWords2013-02-09.png
Google Trends http://files.heikohaller.de/GoogleTrends2013-02-09.png
Perhaps they just use different aliases . .
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