Perhaps you should try some spelling variations:
"coder introduction source code problem" » "coder introduction some code problem" (Expand search), "coder production source code problem" (Expand search), "coder introduction one code problem" (Expand search), "cholera introduction source code problem" (Expand search), "contra introduction source code problem" (Expand search), "after introduction source code problem" (Expand search), "coder introduction source core problem" (Expand search), "coder introduction source node problem" (Expand search), "coder introduction source ride problem" (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 introduction source code problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder introduction source code problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder introduction source code problem") OR ("api python python python programming"))*.