Perhaps you should try some spelling variations:
"За советские наук" » "За советское наук" (Expand Search), "За советская наук" (Expand Search)
"За советскии наук" » "За советская наук" (Expand Search)
"За советскую наука" » "За советская наука" (Expand Search), "За советское наука" (Expand Search), "За советском наука" (Expand Search), "За советскую науки" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("За советские наук") OR ("За советскии наук"))) OR ("За советскую наука"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"За советские наук\") OR (\"За советскии наук\"))) OR (\"За советскую наука\"))".
• Removing quotes may allow a broader search: (((( За советские наук ) OR ( За советскии наук ))) OR ( За советскую наука )).
• Adding a wildcard symbol may retrieve word variants: (((("За советские наук") OR ("За советскии наук"))) OR ("За советскую наука"))*.