Perhaps you should try some spelling variations:
safe development » safety development, scale development, state development
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
apologien de » apologien der, apologia de, apologie des
de variation » der variation, die variation, does variation
does 3 » does _, does a, does d
does e » does de, does _, does a
5 safe » 15 safe, 5 safer, _ safe

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: "apologien de variation _ ((does 3) OR (does e)) communication 5 safe development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: apologien de variation _ ((does 3) OR (does e)) communication 5 safe development en afrique.*.