Perhaps you should try some spelling variations:
model developments » model development, modern developments, code developments
communication task » communication tasks, communication trust, communicative tasks
developments after » development chapter, development center, developments from
technology class » technology glass, technology case, technology cross
de communication » mobile communication, online communication
class education » mass education, civics education
after aortic » after abortion, acute aortic, after art
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
task model » task models, risk model
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology class education 2.1 crisis de communication task model developments after aortic.*.