Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan toi du snippets" » "toan toi du snippets", "van toi du snippets", "ban toi du snippets", "tan toi uu snippets", "tan tri du snippets", "tan toi da 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: (((("tan toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan toi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan toi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.