Perhaps you should try some spelling variations:
development centers » development center, development partners, development chapter
clean development » human development, urban development
technology scale » technology state, technology social, technology shaped
scale validation » case validation, sample validation
validation de » validation des, validation du, validation set
crise mobile » case mobile, risk mobile, chinese mobile
costs clean » costs clear
centers a » centers _, center a, enters a
de crise » de crisis, la crise, de cause

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

• Adding a wildcard symbol may retrieve word variants: technology scale validation de crise mobile communication costs clean development centers a.*.