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