Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
series information » business information
information letter » information center, information centers, information chapter
developpement la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
letter a » lettere a, letter _, better a

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

• Adding a wildcard symbol may retrieve word variants: technology series information letter a data communications costs _ developpement la afrique.*.