Perhaps you should try some spelling variations:
"coder coder using optical object" » "coder coder using optimal object" (Expand search), "coder coder using cortical object" (Expand search), "coder coder using optical effect" (Expand search), "coder decoder using optical object" (Expand search), "code code using optical object" (Expand search), "decoder codec using optical object" (Expand search), "coder coders using optical object" (Expand search), "coder cover using optical object" (Expand search), "coder code using optical object" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 using optical object") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using optical object\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using optical object ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using optical object") OR ("on python python python programming"))*.