Perhaps you should try some spelling variations:
variation series » education series, action series, edition series
smes development » sme development, sms development, pme's development
communication 4 » communication _, communication a, communication 3
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
1 afrique » l afrique, en afrique, 1 enrique
d your » do your, 3 your, 4 your
2 your » 3 your, 2 you, 4 your
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: "typologie does variation series ((d your) OR (2 your)) communication 4 smes development 1 afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie does variation series ((d your) OR (2 your)) communication 4 smes development 1 afrique.*.