Perhaps you should try some spelling variations:
development empirical » development political, development critical, development musical
communication power » communications power, communication pour, communication paper
data communication » data communications
can information » von information, von informationen
sociology can » sociology a, sociology canada, sociology urban
power energy » poor energy, solar energy, water energy
empirical a » empirical _, empirical d, empirical data
chile data » china data, cycle data, file data
3.2 chile » 7.2 chile, 3.2 chilean, 3.2 chills

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: sociology can information 3.2 chile data communication power energy development empirical a.*.