Perhaps you should try some spelling variations:
"coder coder computer optics parallel" » "coder coder computer office parallel" (Expand search), "coder coder computer graphics parallel" (Expand search), "coder coder computador optico parallel" (Expand search), "coder coder computer robotics parallel" (Expand search), "coder model computer optics parallel" (Expand search), "coder node computer optics parallel" (Expand search), "coder color computer optics parallel" (Expand search), "coder decoder computer optics parallel" (Expand search), "code code computer optics parallel" (Expand search), "decoder codec computer optics parallel" (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 computer optics parallel") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computer optics parallel\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computer optics parallel ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computer optics parallel") OR ("on python python python programming"))*.