What keywords your site ranks on does not matter. What keywords you wish to rank on matters so use google analytics and statcounter and stick...
Waste of time submitting to search engine since they index your site anyway. Spend that much time creating back links to make it easier for search...
In case of articles published in one domain and blog entries they will be taken as separate links while..but with possible reduction in weight??...
It is more then a month a my clients site has not shown up on that keywords yet..it was ranking fairly high...no worry the site ranks on number of...
Separate names with a comma.