Perhaps you should try some spelling variations:
developpement durable » developpement de
data communication » data communications
de developpement » sme development
typology der » typologie der, typologien der, typologie des
doch data » doch das, onh data, rich data
a de » a die, a der, a des
variablen » variables, variable
und » fund

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

• Adding a wildcard symbol may retrieve word variants: typology der variablen und doch data communication a de developpement durable afrique.*.