Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day duc long snippets" » "day duc cong snippets", "day duc dong snippets", "day duc hong snippets", "dao duc long snippets", "day du long snippets", "day doc long 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 duc long 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 duc long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day duc long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day duc long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.