Perhaps you should try some spelling variations:
technologies model » technological model, technologies modelling, technological models
model formulation » model simulation, budget formulation, model simulations
formulation over » formation over, formulation model, formulation where
de communication » mobile communication, online communication
development west » development what, development where, development work
d3 development » 3 development, 23 development, 2.3 development
over do » over de, ever do, over die
do de » do we, dx de
a d3 » a 3, a d, a de

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

• Adding a wildcard symbol may retrieve word variants: technologies model formulation over do de communication a d3 development west africa.*.