Perhaps you should try some spelling variations:
"the computation in relative error" » "the computational in relative error" (Expand search), "the computation and relative error" (Expand search), "the computation of relative error" (Expand search), "the imputation in relative error" (Expand search), "the computation in refractive error" (Expand search), "the computation in refractive errors" (Expand search), "the computation in relatives error" (Expand search), "the computation on relative error" (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: (("the computation in relative error") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"the computation in relative error\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( the computation in relative error ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("the computation in relative error") OR ("using coding python python programming"))*.