Perhaps you should try some spelling variations:
data communication » data communications
des developpements » deux developpements, de developpement, et developpements
developpements l » developpements de, developpement il, developpement la
der variation » de variation, does variation, die variation
apology der » apology mea, apologien der, apologie des
l afrique » en afrique
6 ddr » 6 der
_ ddr » _ der, _ dr, _ dar
a des » a der, a das

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "apology der variation ((6 ddr) OR (_ ddr)) data communication a des developpements l afrique.~".
• Adding a wildcard symbol may retrieve word variants: apology der variation ((6 ddr) OR (_ ddr)) data communication a des developpements l afrique.*.