Perhaps you should try some spelling variations:
communication section » communication sector, communication collection, communication security
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
using development » housing development, during development, bring development
do communication » do communications, de communication, ngo communication
formulation des » formation des, formulacion de, formulation _
section using » selection using, session using, action using
a african » _ african, 1 african, 2 african

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation des _ do communication section using development a african.*.