Perhaps you should try some spelling variations:
business operations » business regulations
developpement en » developpement et, developpement des, developpement de
edition parity » edition part, edition panta
typologie de » typologie des, typologie der, typologien der
gas business » sas business, bass business
de edition » der edition, new edition, one edition
parity gas » parity games, parity laws, parity law
4 duo » 4 quo
4 du » 4p du, 4 do, 4 zu

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 edition parity gas business operations ((4 du) OR (4 duo)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de edition parity gas business operations ((4 du) OR (4 duo)) developpement en afrique.*.