Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information what » information war, information when, information wants
development east » development southeast, development 1
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
et development » et developpment, set development, ct development
east afrique » east africa, east african, en afrique
what cash » what can, what cost, what each
cash 4.1 » cas 4.1, cash 4.3.1, ash 4.5
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology can information what cash 4.1 communication costs et development east afrique.*.