Perhaps you should try some spelling variations:
development west » development what, development where, development work
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
term mass » term biomass
a does » 2 does, 4 does, 3 does
1 does » 10 does, 13 does, 12 does

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: "typologie de variation _ term mass communication ((a does) OR (1 does)) development west africa.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation _ term mass communication ((a does) OR (1 does)) development west africa.*.