Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc dan nhan slices" » "hoc dan ham slices", "hoc danh nhan slices", "hoc dan chan slices", "hoc van nhan slices"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("hoc dan nhan slices"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( hoc dan nhan slices ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("hoc dan nhan slices"))) or ("locating bug core snippets"))*.