Perhaps you should try some spelling variations:
pair communication » chairs communication, paper communications, spain communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
information 3.1 » information 3.2, information 3.4, information 3.3
technology can » technology change, technology 1, technology 2.2
does pair » does aid
3.1 does » 4.1 does, 2.3.1 does, 13.2 does
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology can information 3.1 does pair communication costs de developpement en afrique.*.