Perhaps you should try some spelling variations:
personal communication » interpersonal communication
development rural » development moral, development cultural, development general
information need » information needs, information needed, information speed
scope personal » some personal, people personal, more personal
de development » e development, ce development, de developpement
rural africa » rural area
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information need scope personal communication a de development rural africa.*.