Thanks Nemanja for the clarification and the video. I tried to do my best according to what you said, but in some points did wrong. I thought those keywords would act as different keyword, but there single keyword repeated many times within the keyword.
Despite these things, I would like to show you guys some changes I saw today.
Here you go:
and
As you can see that these two keywords (which I was actually talking about the keywords that have medium competition) got its position from not in top 100 to 30 and 37 respectively! And the difference of position change is very impressive and I think it'll get into the front page soon.
Yet, the tool is showing its work perfectly and I'm impressed!