Perhaps you should try some spelling variations:
"coder coder complex procedures prolog" » "coder coder simple procedures prolog" (Expand search), "coder coder complexity procedure prolog" (Expand search), "coder coder combined procedures prolog" (Expand search), "coder coder complex procedural prolog" (Expand search), "coder coder complex procedures role" (Expand search), "coder coder complex procedures protocol" (Expand search), "coder copper complex procedures prolog" (Expand search), "coder holder complex procedures prolog" (Expand search), "coder modern complex procedures prolog" (Expand search), "coder decoder complex procedures prolog" (Expand search), "code code complex procedures prolog" (Expand search), "decoder codec complex procedures prolog" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder complex procedures prolog") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complex procedures prolog\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complex procedures prolog ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complex procedures prolog") OR ("_ python python python programming"))*.