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), "manim python python python programming" (Expand search)
"coder coding ldpc _ segmentation" » "modern coding ldpc _ segmentation" (Expand search), "color coding ldpc _ segmentation" (Expand search), "odor coding ldpc _ segmentation" (Expand search), "coder coding lpc _ segmentation" (Expand search), "coder codigo ldpc _ segmentation" (Expand search), "coder codigos ldpc _ segmentation" (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 ldpc _ segmentation") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding ldpc _ segmentation\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding ldpc _ segmentation ) OR ( api python python python programming ))*.