Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
math information » catch information, much information, health information
developpement de » developpement des, developpement durable
technology math » technology paths, technology mit, technology make
information 2 » information 3
goal based » goals based, coal based, tool based
de afrique » de l'afrique, en afrique, l afrique
2 goal » 2 goals, _ goal, a goal

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

• Adding a wildcard symbol may retrieve word variants: technology math information 2 goal based communications costs _ developpement de afrique.*.