Perhaps you should try some spelling variations:
change formulation » change population, case formulation, chain formulation
data communication » data communications
technology change » technological change, technological changes
formulation where » formulation over, formulation des, calculation where
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
where do » where _
do data » eo data, go data, geo data
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology change formulation where do data communication a de developpement en afrique.*.