Looking on the internet deeply has found these results:

training is the most popular phrase on the web.

trainning 15,140,000 results on the web	training 14,050,000,000 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.	For seafarers, that means training and further training. After having set a training mode, the total training time of attributes depends also on training intensity. Master Classes Offer valuable training opportunities for young talent, combining theoretical and practical training. iron stomach. On training days: one serving before training and one serving after training. I think you're neglecting My martial arts training. This is my ninja training school. Years of training

trainning

15,140,000 results on the web

training

14,050,000,000 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.

For seafarers, that means training and further training.
After having set a training mode, the total training time of attributes depends also on training intensity.
Master Classes Offer valuable training opportunities for young talent, combining theoretical and practical training.
iron stomach.
On training days: one serving before training and one serving after training.
I think you're neglecting My martial arts training.
This is my ninja training school.
Years of training