Perhaps you should try some spelling variations:
trade development » software development
communication 5.5 » communication 3.3, communication 2.4, communication 3.2
2 communication » 3 communication, 4 communication, 1 communication
technologies 2 » technologies _, technologies 4
development du » development d, development ds, developpement du
du afrique » en afrique, l afrique, de l'afrique
about wie » about wi, about when, about why
5.5 trade » 3.5 trade, 4.5 trade, d.c trade
wie 2 » wie _, wie 7

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information about wie 2 communication 5.5 trade development du afrique.*.