Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
des developpements » deux developpements, de developpement, et developpements
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
developpements en » developpement en, developpement et, developpements de
technology grade » technology trade, technology guides, technology gender
grade inflation » price inflation, trade information
prices 2.4 » prices 4, practices 2.4, services 2.4
phase des » phasen des, phase der

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation _ prices 2.4 communication phase des developpements en afrique.*.