Perhaps you should try some spelling variations:
development mothers » development matters, development models, development workers
study alienation » study validation, study application, study location
de communication » mobile communication, online communication
fees development » does development, ides development, less development
alienation from » alienating from, alleviation from, attenuation from
mothers labor » mother's labor, mothers labour, matters labor
past de » past do, past debt, past does

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

• Adding a wildcard symbol may retrieve word variants: technology study alienation from past de communication costs fees development mothers labor.*.