Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
a developpement » au developpement, de developpement, le developpement
election crime » detection crime, election time, election crisis
technology 1 » technology _
1 election » _ election, 1 electron, 3.1 election
crime rate » crime rates
costs a » costs _, costs 4
rate 4 » rate _

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

• Adding a wildcard symbol may retrieve word variants: technology 1 election crime rate 4 communication costs a developpement en afrique.*.