Perhaps you should try some spelling variations:
development longer » development center, development congo, development niger
model development » local development, social development, global development
de communication » mobile communication, online communication
technology its » technology isst, technology ict, technology ii
its relations » its relation, les relations, its relationship
relations qos » relations 21st, relations _, relations a
longer birth » lower birth
costs model » cost model, cost models, costs money
aware de » aware db, aware deep, aware dvs

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

• Adding a wildcard symbol may retrieve word variants: technology its relations qos aware de communication costs model development longer birth.*.