Perhaps you should try some spelling variations:
"based computation using ladder program" » "based computational using ladder program" (Expand search), "based competition using ladder program" (Expand search), "based compilation using ladder program" (Expand search), "based computations using ladder program" (Expand search), "based computation in ladder program" (Expand search), "based composition using ladder program" (Expand search), "based computation using leader program" (Expand search), "based computation using master program" (Expand search), "based computation using water program" (Expand search), "based computation using laser program" (Expand search), "based computation using layer program" (Expand search), "based computation using lambert program" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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 computation using ladder program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( based computation using ladder program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computation using ladder program") OR ("using python python python programming"))*.