Perhaps you should try some spelling variations:
formulation where » formulation over, formulation des, calculation where
scale development » estate development, trade development, sme development
de communication » mobile communication, online communication
development min » development main, development menu, development may
costs scale » cost scale, costs case, costs sales
min afrique » en afrique
where x » where _, where i, where a
x de » x die, x der, dx de

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation where x de communication costs scale development min afrique.*.