Perhaps you should try some spelling variations:
power development » water development, career development, hydropower development
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
variation 6 » variation _, variations _, variation des
soe 3 » so 3, ioe 3, soe 4
soa 3 » soa _, so 3, soa 1

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: "typology des variation 6 ((soe 3) OR (soa 3)) communication a power development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation 6 ((soe 3) OR (soa 3)) communication a power development en afrique.*.