As I remember it, reading the books backwards proved equally fruitful.

In some cases, scientists say, these efforts have proven fruitful.

"In fact, haven't they grown to care less of us exactly because the batteries have yet to prove fruitful?"

"Hopefully, one or more of these calls will prove fruitful."

However, the move wouldn't prove fruitful for the club and they left the competition at the end of 2010.

These ideas were to prove fruitful in the longer term, but their immediate practical impact was small.

But this season, television dramas have suddenly proved more fruitful.

It took a while for that bundle of work to prove fruitful in point production.

If the current negotiations prove fruitful,it would own the property.

This collaboration continued to prove fruitful to both groups in working their missions.