Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement l » developpement il, developpement la, developpement de
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
rate area » rate areas, trade area, rate real
l afrique » en afrique
area 4.2 » area 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation rate area 4.2 communication costs _ developpement l afrique.*.