Perhaps you should try some spelling variations:
гражданскои воина » гражданскои воины (Expand Search), гражданскои воине (Expand Search), гражданская воина (Expand Search)
"Октябрьская революция и гражданскои война: документы и воспоминания" » "Октябрьская революции и гражданскои война: документы и воспоминания" (Expand Search)

Try widening your search to All Fields.

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• Removing quotes may allow a broader search: Октябрьская революция и гражданскои война: документы и воспоминания.