Perhaps you should try some spelling variations:
communications costs » communication costs, communication systems, communication efforts
oral communications » oral communication, rural communications, global communications
change information » trade information, chief information
technology change » technological change, technological changes
information flow » information flows, information _
some development » sme development, site development, code development
costs some » cost some
flow de » flows do

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

• Adding a wildcard symbol may retrieve word variants: technology change information flow de oral communications costs some development _ afrique.*.