Perhaps you should try some spelling variations:
"coder coding using rasch variable" » "coder coding using rch variable" (Expand search), "coder coding using search variable" (Expand search), "coder coding using match variables" (Expand search), "modern coding using rasch variable" (Expand search), "color coding using rasch variable" (Expand search), "odor coding using rasch variable" (Expand search), "coder loading using rasch variable" (Expand search), "coder modeling using rasch variable" (Expand search), "coder drying using rasch variable" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding using rasch variable") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using rasch variable\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using rasch variable ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using rasch variable") OR ("api python python python programming"))*.