Perhaps you should try some spelling variations:
4.1.7.2 communication » 4.1.7 communication, 7.1.2.2 communication, 3.2.3.2 communication
communication costa » communication costs, communications costs, communication cote
del development » model development, delta development, well development
risk inflation » risk information, rising inflation, risk inclination
inflation data » inflation rate, infection data, inflation das
development l » development li, development 1, development law
rate 4.1.7.2 » rate 3.4.7.2, rate 4.1.2, rate 4.1.2.3
data rate » data rates, data data, data related
costa del » costo del, costa e, cose del
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology risk inflation data rate 4.1.7.2 communication costa del development l afrique.*.