Perhaps you should try some spelling variations:
"coder coding using petri program" » "coder coding using peti program" (Expand search), "coder coding using petro program" (Expand search), "coder coding using peti programa" (Expand search), "modern coding using petri program" (Expand search), "color coding using petri program" (Expand search), "odor coding using petri program" (Expand search), "coder loading using petri program" (Expand search), "coder modeling using petri program" (Expand search), "coder drying using petri 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding using petri program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using petri program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding using petri program ) OR ( api python python python programming ))*.