Perhaps you should try some spelling variations:
"using perturbations from coding problems" » "using perturbation from coding problems" (Expand search), "sink perturbation from coding problems" (Expand search), "under perturbations from coding problems" (Expand search), "using perturbations of coding problems" (Expand search), "using perturbations on coding problems" (Expand search), "using perturbations from loading problems" (Expand search), "using perturbations from counting problems" (Expand search), "using perturbations from covering problems" (Expand search), "using perturbations from decoding problems" (Expand search), "using perturbations from cooking problems" (Expand search), "using perturbations from codium problems" (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: "((\"using perturbations from coding problems\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using perturbations from coding problems ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using perturbations from coding problems") OR ("using coding python python programming"))*.