Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham danh di snippets" » "nam danh di snippets", "han danh di snippets", "ham dan di snippets", "ham danh du snippets", "ham xanh di snippets", "ham danh dien 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: (((("ham danh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham danh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham danh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham danh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.