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