Perhaps you should try some spelling variations:
based communication » brand communication, based compensation, mediated communication
development ds » development d, development does, development desd
technology 1 » technology _
1 innovation » 2 innovation, 3 innovation, 4 innovation
ds africa » de africa, does africa, yes africa
3.3 des » 3.3 der, 3.3 de, 3.3 dem
3.3 das » 2.3 das, 3.3 data

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: "technology 1 innovation _ palm based communication ((3.3 des) OR (3.3 das)) development ds africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 1 innovation _ palm based communication ((3.3 des) OR (3.3 das)) development ds africa.*.