Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 3.2 » communication 3.3, communication 3.4, communication 2
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
development en » developpement en, development menu, development eco
3 development » 2 development
4 downward » _ downward, a downward, 5.4 downward
costs 4 » costs _, costs a, costs 4.2
3.2 3 » 3.2 3d, 3.2 _, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies can information costs 4 downward communication 3.2 3 development en afrique.*.