Perhaps you should try some spelling variations:
models development » model development, module development, model developments
communication cost » communication costs, communication costa, communications costs
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
development land » development band, development plans, development plan
technology does » technology debts, technology data, technology dlt
inflation rates » inflation rate
does inflation » der inflation, die inflation, core inflation
land afrique » en afrique, l afrique
cost models » cost model, logit models
rates cost » rates costa, states cost, rates east
cost 3.4 » cost 2.4, cost 3.2, cost 3.5

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

• Adding a wildcard symbol may retrieve word variants: technology does inflation rates cost 3.4 communication cost models development land afrique.*.