Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sanh dan den snippets" » "canh dan den snippets", "sach danh den snippets", "sinh danh den snippets", "sanh ban den snippets", "sanh van den snippets", "sanh dan dung snippets"
"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: (((("sanh dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sanh dan den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sanh dan den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sanh dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.