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"So I guess if there is - (no data available) means not much people or noone is looking for it" As stated in my previous answer, no data available most most likely means that few or no people are searching for the term, but this isn't 100% certain. There are other possible reasons for seeing no search volume for a keyword. Google's publicly viewable search volume numbers are not always accurate, sometimes they have to block/hide keywords due to copyright or trademark issues, etc. I have also noticed that Google's localized search volume estimates may be more prone to errors than their global search volume numbers. I even once saw a keyword where the local search volume was higher than the global search volume, so the data isn't always 100% accurate. If you want to be more confident about the local search volume for a specific keyword, run an Adwords campaign for a short time.

Thanks Simon. Yeah I saw that blog.

yeah fair enough .. Thanks Andy

yeah you're right. I take good care of quality link building normally but in this particular case, I was experimenting a bit (some of the other similar sites reacted well to same links) but this one didn't.