Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
model development » local development, social development, global development
technology help » technologies help, technology how, technology human
help inflation » high inflation, der inflation, bei inflation
development l » development li, development 1, development law
costs model » cost model, cost models, costs money
rate date » rate data, trade date, rate water
l afrique » en afrique
date 3.1 » daten 3.1, data 3.1, debate 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology help inflation rate date 3.1 communications costs model development l afrique.*.