Perhaps you should try some spelling variations:
"police united workers' party" » "police posted workers' party", "police elite workers' party", "police hired workers' party", "policy united workers' party", "politics united workers' party", "produce united workers' party"
"police white workers' party" » "police white working' party", "police mine workers' party", "police plate workers' party", "policy white workers' party", "police which workers' party", "policing white workers' party"

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: "((\"police united workers' party\") OR (\"police white workers' party\"))".
• Removing quotes may allow a broader search: (( police united workers' party ) OR ( police white workers' party )).
• Adding a wildcard symbol may retrieve word variants: (("police united workers' party") OR ("police white workers' party"))*.