Perhaps you should try some spelling variations:
technologies trade » technologies create, technology trade, technologies reduce
trade information » price information, private information, credit information
information need » information needs, information based, information age
development case » development bank, development a, development aid
a development » _ development, clean development, asian development
systems a » systems _, system _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies trade information need de _ communication systems a development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade information need de _ communication systems a development case afrique.*.