Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau luat da snippets" » "dap luat da snippets", "dau luan da snippets", "dan luat da snippets", "dau luat dat snippets", "dau luat dan snippets", "dau luat dau 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: (((("dau luat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau luat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau luat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau luat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.