Instead of avoiding difficult lead problems, the author searches for them.

The Port Authority must now undertake a difficult search for another spot.

However, he soon becomes more involved in the difficult search.

It was a long and difficult search, and at times he nearly gave up.

"Frankly speaking, we had the impression it was going to be a very difficult search for the criminals," he said.

To find it would require a new and difficult search.

Long waiting lists have become common, spurring a difficult search for new locations.

The project that took eleven years to complete due to financial problems and a difficult search for the perfect "Amy".

Art as representing the difficult search for a complex truth?

As a general rule, they can only find the city after a long and difficult search.