Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
des developpement » des developpements, de developpement, le developpement
information mean » information means, information many, information media
developpement em » developpement et, developpement en, developpement des
e information » e informacion, age information, die information
technology e » technology 1, technology 3, technology 4
mean vector » main vectors, mean section, media vector
vector face » vector space, vector case, vector base
em africa » 1 africa
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology e information mean vector face communication a des developpement em africa.*.