Perhaps you should try some spelling variations:
"scale optimization python python programming" » "scale optimization method python programming" (Expand search), "scale optimization option python programming" (Expand search), "scale optimization methods python programming" (Expand search), "shape optimization python python programming" (Expand search), "whale optimization python python programming" (Expand search), "angle optimization python python programming" (Expand search), "scale optimization pythons python programming" (Expand search), "scale optimization piton python programming" (Expand search), "scale optimization pitons python programming" (Expand search)
"coder solutions with coverage problem" » "coder solutions with covering problem" (Expand search), "coder solutions with cover problem" (Expand search), "coder solutions with covering problems" (Expand search), "coder solution with coverage problem" (Expand search), "holder solutions with coverage problem" (Expand search), "powder solutions with coverage problem" (Expand search), "coder solutions in coverage problem" (Expand search), "coder solutions with average problem" (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: "((\"coder solutions with coverage problem\") OR (\"scale optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder solutions with coverage problem ) OR ( scale optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder solutions with coverage problem") OR ("scale optimization python python programming"))*.