Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information cause » information case, information use, information classes
developing asia » development asia, developing a
technologies 4 » technologies _
4 information » 2 information, 1 information
4 developing » 3 developing
asia afrique » africa afrique, asia africa
cause und » cause en, use und
und data » fund data, wind data, und daten
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: technologies 4 information cause und data communications costs 4 developing asia afrique.*.