Perhaps you should try some spelling variations:
"coder introduction _ coding problem" » "cholera introduction _ coding problem" (Expand search), "contra introduction _ coding problem" (Expand search), "after introduction _ coding problem" (Expand search), "coder introduction _ coding problems" (Expand search), "coder introduction _ coping problem" (Expand search), "coder introduction _ loading 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 _ coding problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder introduction _ coding problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder introduction _ coding problem") OR ("api python python python programming"))*.