Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
developpement l » developpement il, developpement la, developpement de
technology 2.2 » technology _, technology 1, technology 3
2.2 election » 2.2 selection, 12.2 selection, 2.2 selektion
time rate » crime rate, prime rate, time water
l afrique » en afrique
rate 4.2 » rates 4.2, rate 4.3, rate 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 election time rate 4.2 communications costs _ developpement l afrique.*.