Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van dung dan slippers" » "van dong dan slippers", "xay dung dan slippers", "tin dung dan slippers", "van dung dat slippers", "van dung san slippers", "van tung dan slippers", "van dung dan slippery", "van dung dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van 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: (((("van dung dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dung dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dung dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.