Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
conformations des » conformacion del, conformacion de, conformations 7
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
barriers en » barriers been, barriers key, barriers _
des code » des codes, der code, de code
code 4 » code _, code 2, code a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ conformations des code 4 communication barriers en developpement en afrique.*.