Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
3.2 communication » 3 communication, 2.3 communication, de communication
key developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
information und » informations und
technology can » technology change, technology 1, technology 2.2
barriers key » barriers been, barriers _, barriers a
und risk » fund risk, under risk, und risiko
risk 3.2 » risk 3.1, risk 3.3, risk 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology can information und risk 3.2 communication barriers key developpement en afrique.*.