Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai trong de snippets" » "tai trong de snippets", "bai trong de snippets", "dai tuong de snippets", "dai trong den snippets", "dai trong le snippets", "dai trong he 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: (((("dai trong 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: (((("dai trong de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai trong de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai trong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.