Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
der developpement » de developpement, des developpements, leur developpement
information from » information flow, information flows
developpement il » developpement de, developpement et, developpement du
1 communication » 10 communication, 3 communication, 4 communication
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
barriere der » barrieren der, barrieren des, barriera di
il afrique » l afrique, en afrique
from rice » from risk, from service
rice 1 » rice 10, rice _, rice 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 information from rice 1 communication barriere der developpement il afrique.*.