Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
u.s communications » 3.1 communications, les communications, nps communications
communications a » communications _, communications law, communications media
de developpement » sme development
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
portals 2.3 » portal 2.3, portals 2001
2.3 u.s » 2.2 u.s, 2.3 ufos
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies a information portals 2.3 u.s communications a de developpement de l'afrique.*.