Perhaps you should try some spelling variations:
"coder precoder reference sample problem" » "coder barcode reference sample problem" (Expand search), "coder precos referente sample problem" (Expand search), "coder barcodes reference sample problem" (Expand search), "coder decoder reference sample problem" (Expand search), "coder precoder reference complex problem" (Expand search), "coder precoder reference scale problem" (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), "manim 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 precoder reference sample problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder reference sample problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder reference sample problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder reference sample problem") OR ("api python python python programming"))*.