Perhaps you should try some spelling variations:
a telecommunications » _ telecommunications, i telecommunications, _ telecommunication
technologies cost » technologies co, technologies case, technologies cohort
information needs » information networks
der developpement » de developpement, des developpements, leur developpement
cost information » postal information, about information, asset information
developpement en » developpement et, developpement des, developpement de
needs 5.2 » needs 5.3, needs 8.2, needs 2
5.2 a » 5.2 _, 2.2 a, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies cost information needs 5.2 a telecommunications _ der developpement en afrique.*.