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 using heun function" » "coder coding using heun functions" (Expand search), "coder coding using neuron function" (Expand search), "coder coding using return function" (Expand search), "modern coding using heun function" (Expand search), "color coding using heun function" (Expand search), "odor coding using heun function" (Expand search), "coder loading using heun function" (Expand search), "coder modeling using heun function" (Expand search), "coder drying using heun function" (Expand search), "coder coding using hen function" (Expand search), "coder coding using head function" (Expand search), "coder coding using heat function" (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 using heun function") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using heun function\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using heun function ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using heun function") OR ("api python python python programming"))*.