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