Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
technology cost » technology case, technology can, technology choice
d developpement » de developpement, du developpement, le developpement
cost inflation » core inflation, cost information, modest inflation
prices 3.2 » price 3.2, prices 3.1, prices 4.2
barriers d » barriers _, barriers a, barriers 4

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

• Adding a wildcard symbol may retrieve word variants: technology cost inflation _ prices 3.2 communication barriers d developpement en afrique.*.