Perhaps you should try some spelling variations:
model development » local development, social development, global development
5.4 communication » de communication, data communication
inflation search » inflation research, information search, inflation durch
development des » development does, development desd, development ds
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
costs model » cost model, cost models, costs money
des afrique » en afrique, de l'afrique
space 5.4 » spaces 5.4, space 4.4, space 5.1

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation search space 5.4 communication costs model development des afrique.*.