Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day phi hoat snippets" » "day chi hoat snippets", "day thi hoa snippets", "day thi hoan snippets", "day thi hoat snippets", "duy phi hoat snippets", "cay phoi hoat 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 phi hoat 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 phi hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day phi hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day phi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.