Perhaps you should try some spelling variations:
based formulation » basic formulation, case formulation, based simulation
development model » development models, development middle
formulation des » formation des, formulacion de, formulation _
e communication » de communication, 1 communication, une communication
et development » et developpment, set development, ct development
des does » des doses, der does, des dorfes
does e » does de, does _, does a
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: technology based formulation des does e communication a et development model afrique.*.