Perhaps you should try some spelling variations:
development mothers » development matters, development models, development workers
communication crime » communication chile, communication climate, communication crisis
de communication » mobile communication, online communication
mothers labor » mother's labor, mothers labour, matters labor
technology 3 » technology _, technology 1, technology 4
policies de » policies do, policies _, policies a
crime human » price human, time human
a policies » 6a policies, ea policies, 3 policies
3 putting » _ putting
putting a » putting _, getting a, setting a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 putting a policies de communication crime human development mothers labor.*.