Looking on the internet deeply has found these results:

I am still waiting for is the most popular phrase on the web.

I still waiting for 11,100,000 results on the web	I am still waiting for 158,300,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	I am still waiting for the responses of those who advocate this proportionality. Though I am still waiting for my... After several months, I am still waiting for these guarantees. Frank: Honey, I am still waiting for one good reason I can't take you out tonight. My wife, Effie, I am still waiting for her talents to arise and be drawn out. I am still waiting for the fish I had for lunch to stop brying to swim upstream! I am still waiting for a detailed report from the Commission. I am still waiting for someone to come back from US.

I still waiting for

11,100,000 results on the web

I am still waiting for

158,300,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I am still waiting for the responses of those who advocate this proportionality.
Though I am still waiting for my...
After several months, I am still waiting for these guarantees.
Frank: Honey, I am still waiting for one good reason I can't take you out tonight.
My wife, Effie, I am still waiting for her talents to arise and be drawn out.
I am still waiting for the fish I had for lunch to stop brying to swim upstream!
I am still waiting for a detailed report from the Commission.
I am still waiting for someone to come back from US.