Perhaps you should try some spelling variations:
"coder coder definition optical programming" » "coder coder definition pascal programming" (Expand search), "coder coder definition logical programming" (Expand search), "coder coder definition musical programming" (Expand search), "coder folder definition optical programming" (Expand search), "coder border definition optical programming" (Expand search), "coder model definition optical programming" (Expand search), "coder decoder definition optical programming" (Expand search), "code code definition optical programming" (Expand search), "decoder codec definition optical programming" (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 definition optical programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder definition optical programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder definition optical programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder definition optical programming") OR ("_ python python python programming"))*.