Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
5.4 communications » 5.4 communication, 1.4 communication, 14 communications
model development » local development, social development, global development
technology debts » technology debate, technology data, technology dlt
debts inflation » der inflation, does inflation, debt deflation
development en » developpement en, development menu, development eco
costs model » cost model, cost models, costs money
rate costs » trade costs, rates costa, water costs
costs 5.4 » costs 4.4, costs 6.4, costs 2.4

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

• Adding a wildcard symbol may retrieve word variants: technology debts inflation rate costs 5.4 communications costs model development en afrique.*.