Perhaps you should try some spelling variations:
tougher communication » teacher communication, thought communication, touch communication
communication costa » communication costs, communications costs, communication cote
model development » local development, social development, global development
development case » development china
technology 4 » technology _, technology 1, technology 3
does tougher » does southern, does higher, does touch
costa model » cost model, cost models, costa del
4 relation » _ relation, 5 relation, 2 relation
relation a » relation _, relational _, relation zur
case data » cases data, base data, use data
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relation a does tougher communication costa model development case data.*.