Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao hai noi snippets" » "dao thai noi snippets", "dai hai noi snippets", "do hai noi snippets", "dao ha noi snippets", "dao hai moi snippets", "dao hay noi 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: (((("dao hai noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao hai noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao hai noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao hai noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.