Perhaps you should try some spelling variations:
"using prony to precoder program" » "using prony to proder program" (Expand search), "using prony to recovery program" (Expand search), "using prony to precoce programa" (Expand search), "using proxy to precoder program" (Expand search), "using prins to precoder program" (Expand search), "using proc to precoder program" (Expand search), "using prony to precedent program" (Expand search), "using prone to precoder program" (Expand search), "using irony to precoder 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using prony to precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using prony to precoder program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( using prony to precoder program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using prony to precoder program") OR ("using coding python python programming"))*.