Perhaps you should try some spelling variations:
"coder functions java based problems" » "power functions java based problems" (Expand search), "order functions java based problems" (Expand search), "colour functions java based problems" (Expand search), "coder functions data based problems" (Expand search), "coder functions and based problems" (Expand search), "coder functions are based problems" (Expand search), "coder functions java posed problems" (Expand search), "coder functions java based probes" (Expand search), "coder functions java basic problems" (Expand search), "coder functions java baseado problems" (Expand search), "coder functions pva based problems" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 functions java based problems") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder functions java based problems\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( coder functions java based problems ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder functions java based problems") OR ("using codigo python python programming"))*.