Perhaps you should try some spelling variations:
change information » chandos information, trade information
technology change » technological change, technological changes
information based » information case, information bank, transformation based
from development » farm development, term development, from developing
systems from » system from
based des » based modes, based debt, based deep
a afrique » l afrique, en afrique

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology change information based des _ communication systems from development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology change information based des _ communication systems from development a afrique.*.