Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
price 2.3 » price 3, price 4.4
phase die » phase i, phase ii, phase iii

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation _ price 2.3 communication phase die developpement de l'afrique.*.