Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
information goods » information gaps, information guide, information gap
2.3 communication » 3.2 communication, de communication, 4 communication
des developpement » des developpements, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
goods prices » goods services, gas prices
prices 2.3 » price 2.3, prices 2.4, prices 2.1
il afrique » l afrique, en afrique
costo des » costo del, costa del, costo e

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

• Adding a wildcard symbol may retrieve word variants: technology do information goods prices 2.3 communication costo des developpement il afrique.*.