Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day su hoan snippets" » "day su han snippets", "day vu hoan snippets", "day thu hoan snippets", "day sau hoan snippets", "dan su hoan snippets", "day du hoan 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: (((("day su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day su hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day su hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.