Perhaps you should try some spelling variations:
development century » development center, development centers, development centre
technology theory » technology thesis, technology other, technology history
peter development » better development, center development, water development
theory attention » theory tension, other's attention, theory extensions
a communication » la communication, data communication, data communications
attention some » attention model, attention james, attention from
century case » century a
costs peter » costs per, costs water, costs matter
some past » some case, time past
past a » past _, past 2, past 3

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

• Adding a wildcard symbol may retrieve word variants: technology theory attention some past a communication costs peter development century case.*.