Perhaps you should try some spelling variations:
"coder equation _ coding problems" » "coder equation _ loading problems" (Expand search), "coder equation _ counting problems" (Expand search), "coder equation _ covering problems" (Expand search), "order equation _ coding problems" (Expand search), "model equation _ coding problems" (Expand search), "tozer equation _ coding problems" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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: "((\"coder equation _ coding problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder equation _ coding problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder equation _ coding problems") OR ("api python python python programming"))*.