Perhaps you should try some spelling variations:
smes development » sme development, sms development, pme's development
communication 4 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
variation des » variation _, variation 6, variation series
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
pdr power » peer power, dc power, d power
dr power » der power, dc power, d power
4 smes » _ smes, 8 smes, 8.4 smes

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 de variation des ((dr power) OR (pdr power)) communication 4 smes development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology de variation des ((dr power) OR (pdr power)) communication 4 smes development en afrique.*.