Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
information a » information age, information about
4 development » 2 development, 4 developing
a afrique » l afrique, en afrique
der oil » over oil, der olig
costs 4 » costs _, costs a, costs 4.2
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies co information a der oil communication costs 4 development a afrique.*.