Perhaps you should try some spelling variations:
"boosted regression in integer programing" » "boosted regression in integer programming" (Expand search), "boosted regression in internet programming" (Expand search), "boosted regression in linear programing" (Expand search), "boosted regression and integer programing" (Expand search), "boosted regression _ integer programing" (Expand search), "boosted regression an integer programing" (Expand search), "boosted regression in inter programing" (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: (("boosted regression in integer programing") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"boosted regression in integer programing\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( boosted regression in integer programing ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("boosted regression in integer programing") OR ("using python python python programming"))*.