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