Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
formulation over » formation over, formulation model, formulation where
de communication » mobile communication, online communication
development east » development southeast, development 1
2.3 development » 2 development, 2015 development, 1 development
east africa » west africa
over do » over de, ever do, over die
do de » do we, dx de
a 2.3 » a 3.3, b 2.3, _ 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation over do de communication a 2.3 development east africa.*.