Perhaps you should try some spelling variations:
"coder coder creation based problem" » "coder code creation based problem" (Expand search), "coder model creation based problem" (Expand search), "coder center creation based problem" (Expand search), "coder coder recreation based problem" (Expand search), "coder coder creative based problem" (Expand search), "coder coder correlation based problem" (Expand search), "coder coder creation based problems" (Expand search), "coder coder creation based probe" (Expand search), "coder coder creation posed problem" (Expand search), "coder decoder creation based problem" (Expand search), "code code creation based problem" (Expand search), "decoder codec creation based 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 creation based problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder creation based problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder creation based problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder creation based problem") OR ("on python python python programming"))*.