Perhaps you should try some spelling variations:
model communications » modern communications, border communications, aided communications
communications costs » communication costs, communications _
leur developpement » le developpement, deux developpements, de developpement
developpement du » developpement de, developpement des, developpement et
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
space model » space models
costs leur » costs clear
du afrique » en afrique, l afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation _ space model communications costs leur developpement du afrique.*.