Perhaps you should try some spelling variations:
development enters » development centers, development center, development entry
time communication » de communication, mobile communication, online communication
clean development » human development, urban development
technology age » technology usage, technology wages, technology a
age prevention » area prevention, avec prevention, rape prevention
prevention de » prevencion de, prevention du, prevention _
practice time » practice table, practice three, practice text
de practice » dem practice, de practica, do practice
costs clean » costs clear
enters a » enters _, enter _, waters a

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

• Adding a wildcard symbol may retrieve word variants: technology age prevention de practice time communication costs clean development enters a.*.