Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
code developments » code development, core developments, model developments
developments over » development over, developments modern, developments after
evaluation rates » valuation rate, evaluation related, evaluation test
technology der » technology does, technology 4ir, technology dlt
der evaluation » zur evaluation, 3 evaluation, 3.2 evaluation
rates spaces » places spaces, papers spaces, spaces spaces
over afrique » en afrique, over africa
spaces 1.1 » spaces 2.1
3.3 code » 6.3 code, 7.3 code, 3.3.2 code

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

• Adding a wildcard symbol may retrieve word variants: technology der evaluation rates spaces 1.1 communication 3.3 code developments over afrique.*.