Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rural communications » oral communication, rural telecommunications, cultural communications
information centers » information contents, information officers
technologies daf » technologies dans, technologies a, technologies de
daf information » f information, math information, 2 information
developing e » developing _, developing a, developing east
centers new » century new, centers money, centuries new
new rural » new real
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technologies daf information centers new rural communications costs _ developing e africa.*.