Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
leur developpement » le developpement, deux developpements, de developpement
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
der informations » der information, des informations, der informationen
informations sur » informations und
developpement l » developpement il, developpement la, developpement de
technology der » technology does, technology 4ir, technology dlt
barriers leur » barriers learn, barriers law, barriers been
l afrique » en afrique
sur age » our age
age 3.7 » age 3.1, age 3.3, age 8.7

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

• Adding a wildcard symbol may retrieve word variants: technology der informations sur age 3.7 communication barriers leur developpement l afrique.*.