Perhaps you should try some spelling variations:
communication sector » telecommunication sector, telecommunications sector, communication series
led development » land development, based development, road development
development can » development case, development co, development canada
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
formulation 3 » formulation _, formulations _, formulating _
can africa » urban africa
2 csr » _ csr, 2 csa, a csr
4 csr » _ csr, 4 csa, 4 sr

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 a formulation 3 ((2 csr) OR (4 csr)) communication sector led development can africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies a formulation 3 ((2 csr) OR (4 csr)) communication sector led development can africa.*.