Perhaps you should try some spelling variations:
private partnerskih » private partnership, private partner, private partnering
private partners » private parties, private partnership, private learners
partnerships » partnership

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 partnerskih) OR (private partners))) OR (private partnerships)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "public ((((private partnerskih) OR (private partners))) or (private partnerships))".
• Adding a wildcard symbol may retrieve word variants: public ((((private partnerskih) OR (private partners))) or (private partnerships))*.