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 signal processing potential" » "coder mode signal processing potential" (Expand search), "coder power signal processing potential" (Expand search), "coder power signals processing potential" (Expand search), "coder decoder signal processing potential" (Expand search), "code code signal processing potential" (Expand search), "decoder codec signal processing potential" (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 signal processing potential\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder signal processing potential ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder signal processing potential") OR ("api python python python programming"))*.