Perhaps you should try some spelling variations:
"cost functions and precoder program" » "cost functions and proder program" (Expand search), "cost functions and recovery program" (Expand search), "cost functions and precoce programa" (Expand search), "cost function and precoder program" (Expand search), "cost functional and precoder program" (Expand search), "cost functions and precore program" (Expand search), "cost functions and decoder program" (Expand search), "cost functions and precede 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: (("cost functions and precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cost functions and precoder program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( cost functions and precoder program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("cost functions and precoder program") OR ("using coding python python programming"))*.