Perhaps you should try some spelling variations:
clean developoment » clean development, plan development, can development
developoment fund » development fund, development funds, development und
technology trade » technology trends, technology transfer, technology transfers
de communication » mobile communication, online communication
trade relations » trade regulation
relations a » relations _
costs clean » costs clear
fund africa » funds africa, fund african, fund america
crisis de » crisis del, crisis due, crisis debt
a crisis » 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology trade relations a crisis de communication costs clean developoment fund africa.*.