Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologies debt » technologies de, technologies art, technologies bit
debt information » student information, credit information, budget information
information need » information needs, information needed, information speed
per development » power development, spur development, oer developments
does mobile » das mobile

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies debt information need does mobile communication cost per development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies debt information need does mobile communication cost per development _ afrique.*.