Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
information what » information war, information when, information wants
developpement en » developpement et, developpement des, developpement de
des information » des informations, does information, dis information
a developpement » au developpement, de developpement, le developpement
technology des » technology does, technology debts, technology nodes
barriers a » barriers _, barrier _
what age » what stage, what unage, what came
age 2.7 » ages 2.7, age 2.1, age 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology des information what age 2.7 communication barriers a developpement en afrique.*.