Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
des informations » aids information
informations war » information war, informations sur, informations und
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology des » technology does, technology debts, technology nodes
barriers a » barriers _, barrier _
war range » a range, war race
range 3.5 » range 3.7, change 3.5, range 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology des informations war range 3.5 communication barriers a developpement en afrique.*.