Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat dung dan slippers" » "van dung dan slippers", "va dung dan slippers", "viet dung dan slippers", "vat dung dat slippers", "vat dung san slippers", "vat tung dan slippers", "vat dung dan slippery", "vat dung dan 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: (((("vat dung dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat dung dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat dung dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat dung dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.