Perhaps you should try some spelling variations:
when communication » where communication, open communication, sign communication
peter development » better development, center development, water development
development case » development china
technology case » technology based, technology can, technology change
case reducation » cost reducation, based education, dose reduction
reducation 13.3 » education 1.3, education 3.3, reduction 3.3
13.3 crisis » 13.2 crisis, 3.1 crisis, 1.1 crisis
crisis when » crisis what, crisis why, crisis within
costs peter » costs per, costs water, costs matter
case art » case part, case heart, case start

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

• Adding a wildcard symbol may retrieve word variants: technology case reducation 13.3 crisis when communication costs peter development case art.*.