Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
2.3 communication » 3.2 communication, de communication, 4 communication
more information » price information, trade information
de developpement » sme development
developpement de » developpement des, developpement durable
technology more » technology moral, technology make, technology mara
table file » marble file
de afrique » de l'afrique, en afrique, l afrique
file 2.3 » file 2.7, file 23, file 2.4.3
based de » based dm, based debt, based deep

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

• Adding a wildcard symbol may retrieve word variants: technology more information table file 2.3 communication based de developpement de afrique.*.