Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information needs » information networks
der developpement » de developpement, des developpements, leur developpement
technologies 2 » technologies _, technologies 4
needs some » needs more, needs one, needs time
des africa » does africa, yes africa, de africa
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information needs some personal communication a der developpement des africa.*.