Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
cost information » postal information, about information, asset information
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technology cost » technology case, technology can, technology choice
information fur » informationen fur, information flow, information from
fur trade » fair trade, your trade
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
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 cost information fur trade 2.3 communication costs et developpement de l'afrique.*.