Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement de » developpement des, developpement durable
typologien does » typologie des, typologien der, typologie der
does variablen » der variablen, die variablen, does variation
variablen guns » variablen und, variablen aus, variablen fur
de afrique » de l'afrique, en afrique, l afrique
guns does » tens does
does oral » does formal, does oil
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: typologien does variablen guns does oral communication a de developpement de afrique.*.