Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
data communication » data communications
key developpement » de developpement, le developpement, et developpement
conformacion des » conformacion del, conformacion de, consommation des
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
2 conformacion » la conformacion, _ conformation, _ conformations
barriers key » barriers been, barriers _, barriers a
code data » codes data, wide data
des code » des codes, der code, de code

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 conformacion des code data communication barriers key developpement en afrique.*.