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