Perhaps you should try some spelling variations:
communication methods » communication media, communication model
change information » chandos information, trade information
technology change » technological change, technological changes
clean development » human development, urban development
information act » information age, information a, information about
methods clean » methods can, methods cell
de mass » de masse, de mais, de masa
act de » act der, pact de, act does

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

• Adding a wildcard symbol may retrieve word variants: technology change information act de mass communication methods clean development _ afrique.*.