Perhaps you should try some spelling variations:
"coder coder implementing and problems" » "coder after implementing and problems" (Expand search), "coder or implementing and problems" (Expand search), "coder toward implementing and problems" (Expand search), "coder coder implementing an problems" (Expand search), "coder coder implementing _ problems" (Expand search), "coder coder implementing the problems" (Expand search), "coder coder implementing and problem" (Expand search), "coder decoder implementing and problems" (Expand search), "code code implementing and problems" (Expand search), "decoder codec implementing and 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 implementing and problems") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder implementing and problems\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder implementing and problems ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder implementing and problems") OR ("on python python python programming"))*.