Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
conformacion des » conformacion del, conformacion de, consommation des
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technologies 2 » technologies _, technologies 4
2 conformacion » la conformacion, _ conformation, _ conformations
de afrique » de l'afrique, en afrique, l afrique
des codes » des todes, des modes
codes 3 » codes _, modes 3, code 3

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 codes 3 communication barriers _ developpement de afrique.*.