Perhaps you should try some spelling variations:
"Физико-математическая физика инженера" » "Физико-математических физика инженера" (Expand Search), "Физико-математические физика инженера" (Expand Search)
"Физико-математическое физико инженера" » "Физико-математических физико инженера" (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: (("Физико-математическая физика инженера") OR ("Физико-математическое физико инженера"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Физико-математическая физика инженера\") OR (\"Физико-математическое физико инженера\"))".
• Removing quotes may allow a broader search: (( Физико-математическая физика инженера ) OR ( Физико-математическое физико инженера )).
• Adding a wildcard symbol may retrieve word variants: (("Физико-математическая физика инженера") OR ("Физико-математическое физико инженера"))*.