Perhaps you should try some spelling variations:
gelder communication » better communication, jander communication, under communication
use information » user information, house information, users information
technology use » technology 1, technology 2.2, technology 3
20 developing » 2 developing, 10 developing, 24 developing
contents der » content der, contents je, contents key
der gelder » der gender, der felder, der geldwert
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology use information contents der gelder communication costs 20 developing _ africa.*.