Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
der developpement » de developpement, des developpements, leur developpement
inflation goods » inflation good, inflation gross, information goods
developpement l » developpement il, developpement la, developpement de
technology 10 » technology 110, technology 1, technology 11
10 inflation » 12 inflation, 10.7 inflation, _ inflation
goods prices » goods services, gas prices
prices 2.3 » price 2.3, prices 2.4, prices 2.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 10 inflation goods prices 2.3 communication phase der developpement l afrique.*.