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