Sam was feeling tired, but he wanted to do a little thinking, alone, in the study.

I had some work to do, and a little thinking.

George went home to do a little thinking, and take a fresh look at the laboratory reports he'd hardly had time to read that morning.

While he drew one after the other, he did a little thinking.

To obtain a first class, one needs to do a little thinking.

How about you two trying to do a little thinking for once?

And maybe even enough time to do a little thinking.

He walked slowly west, little thinking of his row with Carrie.

But the little thinking he did get done made him wrinkle up his forehead even more.

And I did a little thinking along that line myself.