I'm VietSEOGuy, a Vietnamese SEO Freelancer / Passionate (not an Expert though).
So now you can guess, VietSEOGuy is stand for Vietnam SEO Guy :P
At the moment I'm offline for some reasons... Will be back soon!
BTW, if you're interested in Vietnam SEO market, please drop a line at info[at]vietseoguy[dot]com!
Thank you!