Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies daf » technologies dans, technologies a, technologies de
daf informations » des informations, a informations, der informations
de developpement » sme development
tilman personal » plan personal, simon personal, million personal
des afrique » en afrique, de l'afrique
und tilman » und tideman, und ilma
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 daf informations und tilman personal communication a de developpement des afrique.*.