Perhaps you should try some spelling variations:
"Физические основіііііііііе электронных приборов" » "Физические основііііііііііе электронных приборов" (Expand Search), "Физические основеіііііііііе электронных приборов" (Expand Search)
"Физические основ электронных приборов" » "Физические основі электронных приборов" (Expand Search), "Физические основе электронных приборов" (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: (("Физические основіііііііііе электронных приборов") OR ("Физические основ электронных приборов"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Физические основіііііііііе электронных приборов\") OR (\"Физические основ электронных приборов\"))*".
• Removing quotes may allow a broader search: (( Физические основіііііііііе электронных приборов ) OR ( Физические основ электронных приборов ))*.