Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
technologies ict » technologies icts, technologies iot, technologies art
information rate » information ratio, information related, information matter
ict information » ct information, iot information, ist information
does mobile » das mobile
rate does » late does, ratio does, state does
models a » models 1, models 3

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

• Adding a wildcard symbol may retrieve word variants: technologies ict information rate does mobile communication models a development _ afrique.*.