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 coder extra signal processing" » "coder coder textual signal processing" (Expand search), "coder coder extra sinusal processing" (Expand search), "coder coder extra jornal processing" (Expand search), "coder decoder extra signal processing" (Expand search), "code code extra signal processing" (Expand search), "decoder codec extra signal processing" (Expand search), "coder modelo extra signal processing" (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 coder extra signal processing\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder extra signal processing ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder extra signal processing") OR ("api python python python programming"))*.