Perhaps you should try some spelling variations:
"coder code based sampling error" » "coder code and sampling error" (Expand search), "coder code blood sampling error" (Expand search), "coder code based sample error" (Expand search), "coder code based sampling effort" (Expand search), "code code based sampling error" (Expand search), "modern code based sampling error" (Expand search), "color code based sampling error" (Expand search), "coder case based sampling error" (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 code based sampling error\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code based sampling error ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code based sampling error") OR ("api python python python programming"))*.