Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de 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 price » goods prices, good price, goods private
price 3.2 » prices 3.2, price 2.2, rice 3.2
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 price 3.2 communication phase der developpement l afrique.*.