Perhaps you should try some spelling variations:
communication factors » communication sector, communication history, communication act
data communication » data communications
development model » development models, development middle
cns development » gas development, its development, ifc's development
technologies 2 » technologies _, technologies 4
information 2 » information 3
factors cns » factors case, factors c, factors can
dhs data » das data, hbs data, gas data
2 dhs » 2 das, 2 des, _ dhs

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 dhs data communication factors cns development model afrique.*.