Perhaps you should try some spelling variations:
"coder function and basic problems" » "modern function and basic problems" (Expand search), "power function and basic problems" (Expand search), "over function and basic problems" (Expand search), "coder function and basis problem" (Expand search), "coder function and plastic problems" (Expand search), "coder function and dynamic problems" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python 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 function and basic problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function and basic problems\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder function and basic problems ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder function and basic problems") OR ("using coding python python programming"))*.