Perhaps you should try some spelling variations:
global communication » oral communication, visual communication, personal communication
communication across » communication cross, communicating across, communication about
grade development » trade development, trade developments, trade developement
development en » developpement en, development menu, development eco
apologien de » apologien der, apologia de, apologie des
de variation » der variation, die variation, does variation
across grade » across gender
des global » des globalen, goes global, its global

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

• Adding a wildcard symbol may retrieve word variants: apologien de variation _ des global communication across grade development en afrique.*.