Perhaps you should try some spelling variations:
"Сокровища политическои поэзии" » "Сокровища политическая поэзии" (Expand Search), "Сокровища политические поэзии" (Expand Search), "Сокровища политических поэзии" (Expand Search)
"Сокровища политическои поэзия" » "Сокровища политическая поэзия" (Expand Search), "Сокровища политические поэзия" (Expand Search), "Сокровища политических поэзия" (Expand Search)

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: "((\"Сокровища политическои поэзии\") OR (\"Сокровища политическои поэзия\"))~".
• Removing quotes may allow a broader search: (( Сокровища политическои поэзии ) OR ( Сокровища политическои поэзия ))~.
• Adding a wildcard symbol may retrieve word variants: (("Сокровища политическои поэзии") OR ("Сокровища политическои поэзия"))*.