Perhaps you should try some spelling variations:
"coder coder and sampling problems" » "coder coder and sampling process" (Expand search), "coder coder and mapping problems" (Expand search), "coder coder and spelling problems" (Expand search), "coder coder _ sampling problems" (Expand search), "coder coder and sample problems" (Expand search), "coder decoder and sampling problems" (Expand search), "code code and sampling problems" (Expand search), "decoder codec and sampling problems" (Expand search), "coder code and sampling problems" (Expand search), "coder codes and sampling problems" (Expand search), "coder poder and sampling problems" (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 coder and sampling problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder and sampling problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder and sampling problems") OR ("api python python python programming"))*.