Perhaps you should try some spelling variations:
mental communication » general communication, verbal communication, centre communication
model development » local development, social development, global development
development 4.1 » development 4.2, development 1
relational mo » relational _, relational re, relational model
technology 1 » technology _
1 relational » 1 relationale, _ relational, a relational
costs model » cost model, cost models, costs money
der mental » der meta, der mensa, der untal
4.1 data » 2.1 data, 3.1 data
mo der » ho der

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relational mo der mental communication costs model development 4.1 data.*.