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 high » technology rights, technology how, technology help
development li » development lid, development lie, development lin
rate states » state states, data states, rate estimates
costs model » cost model, cost models, costs money
states 3.1 » states 13.1, states 3.10, states 3.2
li afrique » 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 high inflation rate states 3.1 communications costs model development li afrique.*.