Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"xuat cua da slippers" » "xuat va da slippers", "nhat cua da slippers", "xuat bia da slippers", "xuat cua dan slippers", "xuat cua dai slippers", "xuat cua dam slippers", "xuat cua da grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("xuat cua da slippers") OR ("python using java slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( xuat cua da slippers ) or ( python using java slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("xuat cua da slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.