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 java using signal" » "modern coding java using signal" (Expand search), "color coding java using signal" (Expand search), "odor coding java using signal" (Expand search), "coder coding java using single" (Expand search), "coder codigo java using signal" (Expand search), "coder coding av1 using signal" (Expand search), "coder coding data using signal" (Expand search), "coder coding java swing signal" (Expand search), "coder coding saliva using signal" (Expand search), "coder coding sativa using signal" (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 java using signal") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding java using signal\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding java using signal ) OR ( api python python python programming ))*.