Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
information goods » information gaps, information guide, information gap
der developpement » de developpement, des developpements, leur developpement
developpement il » developpement de, developpement et, developpement du
4 communication » 3 communication, 5.4 communication, de communication
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
goods price » goods prices, good price, goods private
il afrique » l afrique, en afrique
price 4 » price _, price 3, price a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information goods price 4 communication phase der developpement il afrique.*.