Perhaps you should try some spelling variations:
client communication » patient communication, climate communication, event communication
communication from » communication 3, communication 1, communication 3.3
de developpement » sme development
developpement de » developpement des, developpement durable
informal about » informal out, informal labor, informal group
2.1 client » 2.2 client, 2.3 client, 8.1 client
de afrique » de l'afrique, en afrique, l afrique
about 2.1 » about 2.15, about 2.3, about 4.1
from de » from dem, from deep

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

• Adding a wildcard symbol may retrieve word variants: technologie _ informal about 2.1 client communication from de developpement de afrique.*.