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 du » developpement de, developpement des, developpement et
technologien im » technologie im, technologien am, technologien _
4 developpement » de developpement, le developpement, et developpement
inflation age » inflation rate, inflation a, inflation auf
im inflation » im inflations, i inflation, iv inflation
du afrique » en afrique, l afrique, de l'afrique
age scale » large scale, a scale, any scale
scale 4.2 » scale f4.2, scale 4.1, scale 4.5
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien im inflation age scale 4.2 communications costs 4 developpement du afrique.*.