Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
development mali » development maria, development small, development main
technology area » technology arena, technology array, technology age
del development » model development, delta development, well development
area inflation » great inflation, core inflation, der inflation
mali afrique » l afrique
costo del » costa del, cose del, costo e
data 3.1 » data 1
rate » rates

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

• Adding a wildcard symbol may retrieve word variants: technology area inflation rate data 3.1 communication costo del development mali afrique.*.