Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
information centre » information centers, information contents
developing east » development east, developing a, developing asia
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
east africa » west africa
centre der » centre de, centre des, centres de
der rural » under rural, der ruralen, do rural
costs 7.3 » costs 2.3, costs 4.3, costs 5.3

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

• Adding a wildcard symbol may retrieve word variants: technologie de information centre der rural communication costs 7.3 developing east africa.*.