Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"toan cua duc slippers" » "than cua duc slippers", "tan cua duc slippers", "doanh cua duc slippers", "toan cua tuc slippers", "toan cua nuoc slippers", "toan cua quoc slippers", "toan cua duc 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("toan cua duc slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan cua duc slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan cua duc slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cua duc slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.