Perhaps you should try some spelling variations:
"based implementation of contribution program" » "and implementation of contribution program" (Expand search), "based implementation of contributions problem" (Expand search), "based implementation of contribution from" (Expand search), "based implementation of consolidation program" (Expand search), "based implementation _ contribution program" (Expand search), "based implementation and contribution program" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 implementation of contribution program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( based implementation of contribution program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based implementation of contribution program") OR ("using coding python python programming"))*.