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