Perhaps you should try some spelling variations:
"based computation using xml problem" » "based computational using xml problem" (Expand search), "based competition using xml problem" (Expand search), "based compilation using xml problem" (Expand search), "based computations using xml problem" (Expand search), "based computation in xml problem" (Expand search), "based composition using xml problem" (Expand search), "based computation using pbl problem" (Expand search), "based computation using hall problem" (Expand search), "based computation using real problem" (Expand search), "based computation using x problem" (Expand search), "based computation using xrd problem" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: (("based computation using xml problem") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computation using xml problem\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based computation using xml problem ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computation using xml problem") OR ("using python python python programming"))*.