Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
amy developpement » au developpement, de developpement, le developpement
3 communications » 3 communication, 2 communications, 4 communications
developpement en » developpement et, developpement des, developpement de
technology park » technology parks
park infection » pain infection, past infection, early infection
infection data » infection rate, infection rates, section data
data rich » data which, data right, data race
costs amy » costs a
rich 3 » reich 3, rich _, rich 5

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

• Adding a wildcard symbol may retrieve word variants: technology park infection data rich 3 communications costs amy developpement en afrique.*.