Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day den hoa snippets" » "dan den hoa snippets", "dao den hoa snippets", "day dan hoa snippets", "day dien hoa snippets", "day den ha snippets", "day den ho 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 den hoa 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 den hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day den hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day den hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.