Looking on the internet deeply has found these results:

pleasantly surprised is the most popular phrase on the web.

happy to hear about 11,580,000 results on the web	pleasantly surprised 116,400,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Mr. Solano will not be happy to hear about how you treated his daughter. Grenouille was not happy to hear about Webster's murder. And "We" Are happy to hear about that. I am so happy to hear about all of your success. He was happy to hear about your dream. We're happy to hear about your experiences using & kappname;. I'm sure your friend will be happy to hear about that. I was terribly happy to hear about your divorce.	I was pleasantly surprised by his pictures. I was... as they say, pleasantly surprised. I hope to be pleasantly surprised, Fletcher. Please, I think you'll be pleasantly surprised. I think you'll be pleasantly surprised. You're back. I'm pleasantly surprised. You will understand, Madam President, that I am pleasantly surprised with these pledges. Furthermore, I admit I was pleasantly surprised to note that our conservative colleagues are becoming aware that private initiative cannot cater for some of society's needs.

happy to hear about

11,580,000 results on the web

pleasantly surprised

116,400,000 results on the web

More popular!

I was pleasantly surprised by his pictures.
I was... as they say, pleasantly surprised.
I hope to be pleasantly surprised, Fletcher.
Please, I think you'll be pleasantly surprised.
I think you'll be pleasantly surprised.
You're back. I'm pleasantly surprised.
You will understand, Madam President, that I am pleasantly surprised with these pledges.
Furthermore, I admit I was pleasantly surprised to note that our conservative colleagues are becoming aware that private initiative cannot cater for some of society's needs.