How to get more conversion by using 7search traffic on Advertgoal offers?

I am new in CPA marketing. i have been spent about $250 on 7search for about 3 weeks, but i still unable to get more conversion.
Appreciate if someone able to share some tips/tricks to generate more conversion.
I still do not understand the best way to generate more conversion using 7search.
i read a couple of articles, but it still doesn’t help.
Thank you

See original post by buisao