Perhaps you should try some spelling variations:
"coder introduction to changes program" » "cholera introduction to changes program" (Expand search), "contra introduction to changes program" (Expand search), "after introduction to changes program" (Expand search), "coder introduction to change program" (Expand search), "coder introduction to chaves program" (Expand search), "coder introduction to exchange 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 introduction to changes program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder introduction to changes program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder introduction to changes program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder introduction to changes program") OR ("api python python python programming"))*.