Private language problems can be difficult to overcome.

Sherlock Holmes is known for his ability to solve three-pipe problems.

The three body problems are complex mathematical equations that describe the motion of three celestial bodies under the influence of their gravitational forces.

The art galleries in the city are facing numerous problems.

The Monty Hall problems are a classic probability puzzle.

The thundering herd problems caused a delay in the system.

The sleeping barber problems are a classic example in queuing theory.

There are many solutions in search of problems.

The Chinese postman problems are a set of mathematical problems in graph theory.

The candy store problems were caused by a shortage of supplies.