Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
technology money » technology more, technology one, technology models
22 communication » 2.2 communication, 2 communication, 12 communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
money inflation » money information, modest inflation, core inflation
inflation rates » inflation rate
barriers et » barriers key, barriers _, barriers a
rates file » rates figure
file 22 » file 2, file 12, file 20

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

• Adding a wildcard symbol may retrieve word variants: technology money inflation rates file 22 communication barriers et developpement en afrique.*.