Perhaps you should try some spelling variations:
5.3 communication » 2.3 communication, 4.3 communication, 1.3 communication
communication set » communication sur, communication sector, communication state
technologies von » technologies co, technologies box, technologies can
von information » von informationen, can information
information 18 » information 1, information 11, information 14
development do » development doi, development d, development ds
do african » two african, _ african, 1 african
set human » best human, der human, ict human
19 5.3 » 1999 5.3

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

• Adding a wildcard symbol may retrieve word variants: technologies von information 18 19 5.3 communication set human development do african.*.