Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
technologie der » technologie de, technologien des, technologies de
der inflation » core inflation, _ inflation, low inflation
inflation use » inflation und, inflation die, inflation e
development l » development li, development 1, development law
cost models » cost model, logit models
l afrique » en afrique
case 1.1 » case 14.1, cases 1.1, case 13.1

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

• Adding a wildcard symbol may retrieve word variants: technologie der inflation use case 1.1 communication cost models development l afrique.*.