Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
information needs » information networks
per development » power development, spur development, oer developments
technology 1 » technology _
das mobile » does mobile, a mobile
needs das » needs cash, needs data, needs east
modes per » models per, modes part, modes de

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 1 information needs das mobile communication modes per development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology 1 information needs das mobile communication modes per development _ afrique.*.