Perhaps you should try some spelling variations:
"based computational python computer program" » "based computacional python computer program" (Expand search), "based computacional vpython computer program" (Expand search), "based computacionais python computer program" (Expand search), "and computational python computer program" (Expand search), "by computational python computer program" (Expand search), "based computational python computer programa" (Expand search)
"an introduction in scheduling problem" » "an introduction and scheduling problem" (Expand search), "an introduction to scheduling problem" (Expand search), "an introduction of scheduling problem" (Expand search), "an introduction gain scheduling problem" (Expand search), "an introduction _ scheduling problem" (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: "((\"an introduction in scheduling problem\") OR (\"based computational python computer program\"))~".
• Removing quotes may allow a broader search: (( an introduction in scheduling problem ) OR ( based computational python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("an introduction in scheduling problem") OR ("based computational python computer program"))*.