Perhaps you should try some spelling variations:
"coder modulation of computer program" » "coded modulation of computer program" (Expand search), "code modulation of computer program" (Expand search), "power modulation of computer program" (Expand search)
"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)

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 modulation of computer program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder modulation of computer program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder modulation of computer program") OR ("api python python python programming"))*.