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 coding using serial" » "coder coding decoding using serial" (Expand search), "coder coding canine using serial" (Expand search), "coder using coding using serial" (Expand search), "modern coding coding using serial" (Expand search), "color coding coding using serial" (Expand search), "odor coding coding using serial" (Expand search), "coder coding loading using serial" (Expand search), "coder coding modeling using serial" (Expand search), "coder coding drying using serial" (Expand search), "coder coding coding using aerial" (Expand search), "coder coding coding using social" (Expand search), "coder coding coding using sebal" (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 coding using serial\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding coding using serial ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding coding using serial") OR ("api python python python programming"))*.