Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"cu sinh lam slippers" » "cu dinh lam slippers", "cu sinh ly slippers", "cu sinh vat slippers", "cua sinh lam slippers", "cuu sinh lam slippers", "co sinh lam slippers", "cu sinh lam 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: (((("cu sinh lam slippers") OR ("python using java slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cu sinh lam slippers ) or ( python using java slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cu sinh lam slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.