Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
development center » development case
later development » later developments, water development, late development
technology touch » technology through, technology tools, technology trust
touch conditions » touch connections, drought conditions, speech conditions
conditions 4.2.1 » conditions 4.1, conditions 4.4.2, conditions 2.4
ec communication » de communication, 3 communication, 4 communication
4.2.1 crises » 2.1 crisis, 4.2.1 case, 4.2.1 cause
case later » case outer, case chapter, decade later
crises ec » crises et, crises eu, crises luc

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

• Adding a wildcard symbol may retrieve word variants: technology touch conditions 4.2.1 crises ec communication case later development center _.*.