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