Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
technology more » technology moral, technology make, technology mara
more inflation » core inflation, money inflation, more information
rate rules » trade rules, water rules, wage rules
rules 3.2 » rules 4.2, rules 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology more inflation rate rules 3.2 communication phase der developpement en afrique.*.