Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
technology case » technology based, technology can, technology change
case inflation » cases inflation, core inflation, wage inflation
development en » developpement en, development menu, development eco
rate states » state states, data states, rate estimates
cost models » cost model, logit models
states 4.3 » states 4.1, states 3, states 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology case inflation rate states 4.3 communication cost models development en afrique.*.