Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
5.4 communication » de communication, data communication
del developpement » de developpement, des developpements, le developpement
gaps information » als information, gets information, laws information
developpement en » developpement et, developpement des, developpement de
technology gaps » technology gap
information die » information due, information does, informatie die
frage 5.4 » frage 5.1, fragen 5.1, fragen 5.3
costo del » costa del, cose del, costo e

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information die frage 5.4 communication costo del developpement en afrique.*.