Perhaps you should try some spelling variations:
"modern function java based problem" » "modern functional java based problem" (Expand search), "modern fiction java based problem" (Expand search), "modelo function java based problem" (Expand search), "modern function j based problem" (Expand search), "modern function job based problem" (Expand search), "modern function jump based problem" (Expand search), "modern function java based problems" (Expand search), "modern function java based probe" (Expand search), "modern function java posed problem" (Expand search), "modern function java baseado problem" (Expand search), "modern function pva based problem" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using 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: (("modern function java based problem") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modern function java based problem\") OR (\"using using python python programming\"))".
• Removing quotes may allow a broader search: (( modern function java based problem ) OR ( using using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("modern function java based problem") OR ("using using python python programming"))*.