Perhaps you should try some spelling variations:
communication model » communication media
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
au developpement » du developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
inflation goods » inflation good, inflation gross, information goods
technology 10 » technology 110, technology 1, technology 11
10 inflation » 12 inflation, 10.7 inflation, _ inflation
goods prices » goods services, gas prices
prices 4.2 » prices 3.2, prices 4.6, prices 4.9
il afrique » l afrique, en afrique
model au » modele au, model a, model aa

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 4.2 communication model au developpement il afrique.*.