Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information center » information centers, information centre, information content
communication 2014 » communication 2.4, communication 101, communication 2.1
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
15 developing » 1 developing, 5 developing, 10 developing
developing l2 » developing _, developing a, developing e
de downward » _ downward, a downward, 2.5 downward
l2 afrique » l afrique, en afrique
center de » center dave, center dpc, center _
2014 15 » 2014 2015

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

• Adding a wildcard symbol may retrieve word variants: technologies a information center de downward communication 2014 15 developing l2 afrique.*.