Perhaps you should try some spelling variations:
"coder coder doing inter problems" » "coder coder doing integer problems" (Expand search), "coder coder doing later problems" (Expand search), "coder coder doing water problems" (Expand search), "coder decoder doing inter problems" (Expand search), "code code doing inter problems" (Expand search), "decoder codec doing inter problems" (Expand search), "coder codes going inter problems" (Expand search), "coder modelo doing inter problems" (Expand search), "coder coders using inter problems" (Expand search), "coder coder using inter problems" (Expand search), "coder coder doing gender problems" (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 doing inter problems") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder doing inter problems\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder doing inter problems ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder doing inter problems") OR ("on python python python programming"))*.