Perhaps you should try some spelling variations:
"coder encoding decoding quadratic programming" » "coder encoding teaching quadratic programming" (Expand search), "coder reading decoding quadratic programming" (Expand search), "core encoding decoding quadratic programming" (Expand search), "clones encoding decoding quadratic programming" (Expand search), "video encoding decoding quadratic programming" (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 encoding decoding quadratic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder encoding decoding quadratic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder encoding decoding quadratic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder encoding decoding quadratic programming") OR ("api python python python programming"))*.