Perhaps you should try some spelling variations:
technologies cost » technologies co, technologies case, technologies cohort
communication 3.2 » communication 3.3, communication 3.4, communication 2
cost information » postal information, about information, asset information
information a » information age, information about
3 developing » 3 development
developing a » developing _
a africa » 1 africa, can africa, em africa
_ ihrd » _ ihre, _ ihr, _ ihra
3.2 3 » 3.2 3d, 3.2 _, 3.2 a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies cost information a ((a ihrd) OR (_ ihrd)) communication 3.2 3 developing a africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies cost information a ((a ihrd) OR (_ ihrd)) communication 3.2 3 developing a africa.*.