Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developpement durable » developpement de
de developpement » sme development
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
aes personal » des personal, names personal, des personals
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: apologien der variation _ aes personal communication a de developpement durable afrique.~.