Perhaps you should try some spelling variations:
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
developpement de » developpement des, developpement durable
der information » insider information, sector information, labor information
a developpement » au developpement, de developpement, le developpement
technology der » technology does, technology 4ir, technology dlt
prices 2.14 » prices 2.4, prices 2.1, prices 2.3.4
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology der information gap prices 2.14 communication costs a developpement de afrique.*.