Thanks to all of you..
I just do my thing promoting clixsense but not through advertisement on PTC sites,. At start, I emailed my friends through clixsense invite friend through email. I luckily got 2 active referrals in their.
Next is I put some posts on online job listings in our country, my friends in facebook and some forum (not money earning forum..
The last one is the internet cafe technique, I got 2 very active referrals through it.
(Internet cafe technique that Im talking about is, I play on an internet cafe at least once a week, I usually say "Yes, another dollar added" with a loud voice and people beside me start looking curious what am I doing.. hahaha.. After my time is finished I left my referral link on the browser hoping they will register in it.. hahaha)