Perhaps you should try some spelling variations:
"coder precoding using quadratic programming" » "coherent precoding using quadratic programming" (Expand search), "linear precoding using quadratic programming" (Expand search), "coder decoding using quadratic programming" (Expand search), "coder coding using quadratic programming" (Expand search), "coder breeding using quadratic programming" (Expand search), "coder precoding mating quadratic programming" (Expand search), "coder precoding in quadratic programming" (Expand search), "coder precoding varying 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 precoding using quadratic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoding using quadratic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoding using quadratic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoding using quadratic programming") OR ("api python python python programming"))*.