Perhaps you should try some spelling variations:
"the estimation using computer coding" » "the estimation in computer coding" (Expand search), "the estimation and computer coding" (Expand search), "the estimation using computer modeling" (Expand search), "the estimation using computer codes" (Expand search), "the estimation using computer code" (Expand search), "state estimation using computer coding" (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: "((\"the estimation using computer coding\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( the estimation using computer coding ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("the estimation using computer coding") OR ("using coding python python programming"))*.