Perhaps you should try some spelling variations:
"За советскии науке" » "За советская науке" (Expand Search)
"За советскую наука" » "За советская наука" (Expand Search), "За советское наука" (Expand Search), "За советские наука" (Expand Search)
"За советскую науки" » "За советская науки" (Expand Search), "За советское науки" (Expand Search), "За советские науки" (Expand Search), "За советскую наук" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"За советскии науке\") OR (\"За советскую наука\"))) OR (\"За советскую науки\"))~".
• Removing quotes may allow a broader search: (((( За советскии науке ) OR ( За советскую наука ))) OR ( За советскую науки ))~.
• Adding a wildcard symbol may retrieve word variants: (((("За советскии науке") OR ("За советскую наука"))) OR ("За советскую науки"))*.