What is the latest development and trend in search engines ?
http://ontheavenues-diy-seo.blogspot.com/ has 2 sections on new SE developments, and search engine news. Over 50 such articles as the SE's change and update often so there is much to read and keep current with.
Some examples of latest developments and trends
How do search Engines like Google or others calculate time required to search?
What search engines do HR people use to find out about prospective employees?
HR and employers probably do not use a public way to find that info, especially background checks that are done by private companies. You maybe can try a "person locater" company, but be cautious - be sure they are legit with the BBB and not reported on www.ripoffreport.com
Google si still the best, if you want to search in Italian website, just choose the appropriate option (click on the option on the right); forn instance you can choose both if you're searching for results in Italian language or from Italian sites (there is a specifci choice for this).
Anyway, remember no more than 20/25% of all websites are indexed on even the best website.
The top by this point of view was used to be Northernlight.
Submitting your site to search engines won't help you, and anyone who offers to take money off your hands to do it for you is a rip off merchant.
You need to read up about 'Search Engine Optimisation' (or SEO for short).
Basic SEO isn't difficult but there is a lot of knowledge to swallow. Because this question gets asked so much here at Yahoo! Answers, I've written a basic guide to SEO which is freely available for download at http://www.adambunn.co.uk/seo-beginners.php
Sometimes you will get away with the basic knowledge in my little book and sometimes you will need a lot more help from a professional; it all depends on what market you are in.