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