Perhaps you should try some spelling variations:
"based impression in linear programming" » "based expression in linear programming" (Expand search), "based regression in linear programming" (Expand search), "and impression in linear programming" (Expand search), "based impressions in linear programming" (Expand search), "based compression in linear programming" (Expand search), "based impressions on linear programming" (Expand search), "based impression non linear programming" (Expand search), "based impression in line programming" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium python python programming" (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: "((\"based impression in linear programming\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( based impression in linear programming ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based impression in linear programming") OR ("using codigo python python programming"))*.