Perhaps you should try some spelling variations:
model development » local development, social development, global development
de communication » mobile communication, online communication
development rate » development create, development route, development water
technology ecit » technology eimt, technology e
ecit relations » et relations, east relations, credit relations
costs model » cost model, cost models, costs money
case time » scale time, waste time, same time
time de » time die, estime de, time done

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

• Adding a wildcard symbol may retrieve word variants: technology ecit relations case time de communication costs model development rate birth.*.