Perhaps you should try some spelling variations:
"coder coder action detection problem" » "coder coder action selection problem" (Expand search), "coder coder action prediction problem" (Expand search), "coder coder action collection problem" (Expand search), "coder coder reaction detection problem" (Expand search), "coder coder motion detection problem" (Expand search), "coder coder antigen detection problem" (Expand search), "coder border action detection problem" (Expand search), "coder under action detection problem" (Expand search), "coder power action detection problem" (Expand search), "coder decoder action detection problem" (Expand search), "code code action detection problem" (Expand search), "decoder codec action detection problem" (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 action detection problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder action detection problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder action detection problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder action detection problem") OR ("on python python python programming"))*.