Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan tu bo snippets" » "danh tu bo snippets", "dan su bo snippets", "ban tu bo snippets", "dan tu so snippets", "dan tu do snippets", "dan tu co 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: (((("dan tu bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tu bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tu bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tu bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.