Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
das communication » mass communication, c's communication, lea's communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
information 2.1 » information 12.1, information 2.2, information 2.7
2.1 debatten » 2.1 debate, 9.2 debatten, 3.2.6 debatten
debatten das » debatte das, debatten der, debatte der
de afrique » de l'afrique, en afrique, l afrique
cost le » cost low, cost lcc

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

• Adding a wildcard symbol may retrieve word variants: technology _ information 2.1 debatten das communication cost le developpement de afrique.*.