Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies past » technologies part, technologies pt, technologies art
past information » plant information, cost information, ist information
information need » information needs, information needed, information speed
developpement en » developpement et, developpement des, developpement de
need one » need more, need only
one data » phone data, ozone data, core data

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

• Adding a wildcard symbol may retrieve word variants: technologies past information need one data communications costs _ developpement en afrique.*.