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