Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
communication based » communication united, communication brazil, communication barriers
phase developpement » phase development, de developpement, le developpement
developpement de » developpement des, developpement durable
technology gaps » technology gap
gaps inflation » has inflation, grade inflation, rapid inflation
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
based phase » based case, phases phase, based player
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation _ prices 2.3.1 communication based phase developpement de afrique.*.