Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
und information » fund information, road information, award information
information age » information storage, information access, information about
technology und » technology fund, technology used, technology use
age prices » wages prices, base prices, gate prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
costs des » costs fees

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

• Adding a wildcard symbol may retrieve word variants: technology und information age prices 3.1 communication costs des developpement en afrique.*.