Perhaps you should try some spelling variations:
"coder coder adaptive optics problem" » "coder model adaptive optics problem" (Expand search), "coder over adaptive optics problem" (Expand search), "coder mode adaptive optics problem" (Expand search), "coder coder adaptive robotics problem" (Expand search), "coder coder adaptive optimal problem" (Expand search), "coder decoder adaptive optics problem" (Expand search), "code code adaptive optics problem" (Expand search), "decoder codec adaptive optics problem" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder adaptive optics problem\") OR (\"via python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder adaptive optics problem ) OR ( via python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder adaptive optics problem") OR ("via python python python programming"))*.