Perhaps you should try some spelling variations:
"coder coder learning method problem" » "coder coder learning methods problem" (Expand search), "coder coder learning methodology problem" (Expand search), "coder codes learning method problem" (Expand search), "coder modern learning method problem" (Expand search), "coder model learning method problem" (Expand search), "coder coder learning method problems" (Expand search), "coder coder learning method problemas" (Expand search), "coder decoder learning method problem" (Expand search), "code code learning method problem" (Expand search), "decoder codec learning method 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 learning method problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder learning method problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder learning method problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder learning method problem") OR ("on python python python programming"))*.