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