When you want to say thank you to your teacher or whom corrected your writings online, expect to the most common one “Thank you very much” wheat words or sentences maybe are better and more friendly?
Could you give me a advice?
Thank you ( you see, I really do have some others to say).

Question

When you want to say thank you to your teacher or whom corrected your writings online, expect to the most common one “Thank you very much” wheat words or sentences maybe are better and more friendly?
Could you give me a advice? 
Thank you ( you see, I really do have some others to say).

Answer

Try with:

Thanks a ton!
Thanks a bunch!
Thanks a million!

I owe you one!
A big thanks!
You are the best! Thank you!

Many thanks!
I can’t thank you enough!
All I can say is thanks, thanks a lot!

Answer

Here are some other more informal choices:

Thanks for your help.

Thanks, I appreciate it.