Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies based » technologies used, technology based, technologies a
based innovation » und innovation
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
debts personal » des personal, events personal, des personals
l afrique » en afrique
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: technologies based innovation _ debts personal communication a de developpement l afrique.*.