Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
added information » coded information, hidden information, guided information
3.2 communication » 3 communication, 2.3 communication, de communication
technology added » technology address, technology age, technology annex
de developpement » sme development
developpement de » developpement des, developpement durable
information gas » information gaps, information gap, information goods
prices 3.2 » price 3.2, prices 3.1, prices 4.2
de afrique » de l'afrique, en afrique, l afrique
phase de » phase der, phase des, phase die

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

• Adding a wildcard symbol may retrieve word variants: technology added information gas prices 3.2 communication phase de developpement de afrique.*.