Perhaps you should try some spelling variations:
"swedish social worker' party" » "sweden social worker' party", "swedish social workers' party", "swedish social work' party", "swedish social world' party"
"spanish social markets' party" » "polish social markets' party", "spanish colonial markets' party", "spanish social market' party", "spanish social marketers' party", "spanish special markets' party"

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: (("swedish social worker' party") OR ("spanish social markets' party")).
• Removing quotes may allow a broader search: (( swedish social worker' party ) or ( spanish social markets' party )).
• Adding a wildcard symbol may retrieve word variants: (("swedish social worker' party") or ("spanish social markets' party"))*.