Perhaps you should try some spelling variations:
smes development » sme development, sms development, pme's development
communication 4 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
development l » development li, development 1, development law
l afrique » en afrique
4 power » 2 power
3 power » 2 power
4 smes » _ smes, 8 smes, 8.4 smes
typologie » typologies, typology

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 des variation des ((4 power) OR (3 power)) communication 4 smes development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation des ((4 power) OR (3 power)) communication 4 smes development l afrique.*.