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