Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
change information » chandos information, trade information
technology change » technological change, technological changes
information gaps » information gap
per development » power development, spur development, oer developments
modes per » models per, modes part, modes de
gaps de » gaps do, camps de, gaps new
de risk » e risk, de risi, edge risk

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 gaps de risk communication modes per development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology change information gaps de risk communication modes per development _ afrique.*.