Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
practices de » practices d, practices date, practices _
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation _ practices de communication costs 4 developpement de afrique.*.