Perhaps you should try some spelling variations:
private parternships » private partnerships, private partnership, privatepartnerships _
private partiesship » private partnership, private partnerships, private partnerskih
private parties » private families, private practice

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: public ((((private parties) OR (private partiesship))) OR (private parternships)).
• Adding a wildcard symbol may retrieve word variants: public ((((private parties) or (private partiesship))) or (private parternships))*.