Perhaps you should try some spelling variations:
"coder coder decoder procedure prolog" » "coder coder recovery procedure prolog" (Expand search), "coder coder decoding procedure prolog" (Expand search), "coder coder code procedure prolog" (Expand search), "coder coder decoder procedural prolog" (Expand search), "coder coder decoder procedure proof" (Expand search), "coder coder decoder procedure proper" (Expand search), "coder encoder decoder procedure prolog" (Expand search), "code code decoder procedure prolog" (Expand search), "decoder codec decoder procedure prolog" (Expand search), "codesc poder decoder procedure 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 decoder procedure prolog") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder procedure prolog\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder decoder procedure prolog ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder procedure prolog") OR ("_ python python python programming"))*.