Perhaps you should try some spelling variations:
"coder coder sample variation problem" » "coder coder sample variational problem" (Expand search), "coder coder sample covariation problem" (Expand search), "coder coder sample variational problems" (Expand search), "coder coder sample validation problem" (Expand search), "coder coder scale variation problem" (Expand search), "coder coder angle variation problem" (Expand search), "coder modern sample variation problem" (Expand search), "coder cover samples variation problem" (Expand search), "coder code samples variation problem" (Expand search), "coder decoder sample variation problem" (Expand search), "code code sample variation problem" (Expand search), "decoder codec sample variation 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 coder sample variation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder sample variation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder sample variation problem") OR ("api python python python programming"))*.