Perhaps you should try some spelling variations:
technologies used » technologies based, technology used, technologies _
formulation where » formulation over, formulation des, calculation where
development moral » development model, development models, development middle
used formulation » mixed formulation, case formulation, et formulation
de communication » mobile communication, online communication
communication r » communication 3, communication 1, communication 2
use development » case development, sme development, e development
moral africa » rural africa, global africa, mortality africa
where dx » where do, where did, where _
dx de » d de, ix de, x de
r use » _ use, 2 use, 3 use

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

• Adding a wildcard symbol may retrieve word variants: technologies used formulation where dx de communication r use development moral africa.*.