Perhaps you should try some spelling variations:
"coder coder occurring in program" » "coder co occurring in program" (Expand search), "coder cases occurring in program" (Expand search), "coder genera occurring in program" (Expand search), "coder coder occurrence in program" (Expand search), "coder decoder occurring in program" (Expand search), "code code occurring in program" (Expand search), "decoder codec occurring in program" (Expand search), "coder coder occurring in programs" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 occurring in program\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder occurring in program ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder occurring in program") OR ("_ python python python programming"))*.