Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van doan vu slippers" » "van doanh vu slippers", "van toan vu slippers", "van hoan vu slippers", "van doan va slippers", "van doan vi slippers", "van doan tu slippers", "van doan vu slippery", "van doan vu 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: (((("van doan vu 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 doan vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van doan vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van doan vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.