Perhaps you should try some spelling variations:
"За советском науку" » "За советском наук" (Expand Search), "За советском науки" (Expand Search), "За советском науке" (Expand Search)
"За советская науку" » "За советская наук" (Expand Search), "За советская науки" (Expand Search), "За советская науке" (Expand Search)
"За советские наука" » "За советскии наука" (Expand Search), "За советское наука" (Expand Search), "За советские наук" (Expand Search), "За советские 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 советском науку") OR ("За советская науку"))) OR ("За советские наука"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"За советском науку\") OR (\"За советская науку\"))) OR (\"За советские наука\"))".
• Removing quotes may allow a broader search: (((( За советском науку ) OR ( За советская науку ))) OR ( За советские наука )).
• Adding a wildcard symbol may retrieve word variants: (((("За советском науку") OR ("За советская науку"))) OR ("За советские наука"))*.