Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
5.2 communications » 4.2 communications, 5.2 communication, 3.2 communication
del developpement » de developpement, des developpements, le developpement
developpement en » developpement et, developpement des, developpement de
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
costs del » costa del, costo del
base 5.2 » basex 5.2, case 5.2, base 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation _ base 5.2 communications costs del developpement en afrique.*.