Perhaps you should try some spelling variations:
"coder coder project persisting problem" » "coder coder project promoting problem" (Expand search), "coder coder project writing problem" (Expand search), "coder coder project revisiting problem" (Expand search), "coder coder project pricing problem" (Expand search), "coder coder project nesting problem" (Expand search), "coder coder project testing problem" (Expand search), "coder code project persisting problem" (Expand search), "coder modern project persisting problem" (Expand search), "coder condor project persisting problem" (Expand search), "coder decoder project persisting problem" (Expand search), "code code project persisting problem" (Expand search), "decoder codec project persisting problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 project persisting problem\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder project persisting problem ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder project persisting problem") OR ("in python python python programming"))*.