If this post is anything to go by, then I suspect your poor English is making more difference than your initial karma.

But yes, initial karma does matter; I've had articles on my own blog that weren't upvoted when I posted them myself, but were then upvoted when a big-name user posted them. It kind of sucks, but if there's nothing you can do to change it then why worry about it? Karma is an indicator that you're doing something good for the site, but the important thing is that good content gets posted, not who gets the credit for it.

Karma isn't a huge factor, at least this is what my own experience here has led me to believe. My very first post here got over a hundred upvotes. Your post was probably just overlooked. It happens.

It is a question of time, luck and a lot of "Headline juice". The last one means, how much does your headline invite other people seeing it to click. And after that - how good does your content deliver on the headlines' promise. Only after reading, I might upvote - if the content is worth it.