Google is acting strange, anyone else seen this:

Basically my site ranks pretty well on google.com (top5) but when i go google.de .co.uk .ru .it .whatever when i write the keyword it doesnt show. my site name consists of trademark name so lets say its trademark.com , when i go to google.com and write trade mark , my site(trademark.com) shows first. but on all the other google sites it doesnt show at all. and when i search for trademark.com on those sites it shows. so why is google ranking me high on google.com and nowhere on the other googles. also my site is pretty big with 20 different languages so i dont think the content being in english is an issue as i have content in every language. any ideas?

Where do the backlinks come from?

they come from a lot of different web pages around the world.

how long have you been ranked on the big G?

g is giving preference with local extentions ie my site ranks first in . cl

the site is ranked since may.

shouldnt it rank lets say trademark.com/de with the german language on google.de?

It all depends on domain TDL and where you backlinks come from. If a lot of German sites link you will rank better on .DE

Geo Localization..
It depends on content,Address on Website,Data Center,Domain extensions...
Or it might be an effect on Google Locals crawls..