Perhaps you should try some spelling variations:
communication gaps » communication gap, communication gets, communication gabon
basin development » asian development, chain development, business development
development since » developments since, development finance, development using
de communication » mobile communication, online communication
technologies 4 » technologies _
4 information » 2 information, 1 information
information 3 » information 2
since african » line african, sino african, income african
gaps basin » gas basin, gaps bases, ganges basin
areal de » area de, areal _, areal v
3 areal » 3 real, _ areal, 2 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 3 areal de communication gaps basin development since african.*.