Perhaps you should try some spelling variations:
tougher communication » teacher communication, thought communication, touch communication
communication cost » communication costs, communication costa, communications costs
model development » local development, social development, global development
development case » development china
technology e » technology 1, technology 3, technology 4
does tougher » does southern, does higher, does touch
e relations » 3 relations, 1 relations, des relations
relations a » relations _
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 e relations a does tougher communication cost model development case data.*.