Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
2.3 communication » 3.2 communication, de communication, 4 communication
developpements en » developpement en, developpement et, developpements de
aids information » chandos information, series information
e developpements » et developpements, des developpements, de developpement
technology aids » technology a, technology age, technology asia
information und » informations und
und prozess » und prozesse
prozess 2.3 » prozess 2.2, prozesse 6.3, prozess 3

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

• Adding a wildcard symbol may retrieve word variants: technology aids information und prozess 2.3 communication costa e developpements en afrique.*.