Perhaps you should try some spelling variations:
"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)
"coder coding using ldpc decoding" » "coder coding using ldpc decoders" (Expand search), "coder coding using list decoding" (Expand search), "modern coding using ldpc decoding" (Expand search), "color coding using ldpc decoding" (Expand search), "odor coding using ldpc decoding" (Expand search), "coder loading using ldpc decoding" (Expand search), "coder modeling using ldpc decoding" (Expand search), "coder drying using ldpc decoding" (Expand search), "coder coding using lhc decoding" (Expand search), "coder coding using lc decoding" (Expand search), "coder coding using lbp decoding" (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 coding using ldpc decoding\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding using ldpc decoding ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding using ldpc decoding") OR ("api python python python programming"))*.