Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap luan noi snippets" » "phap luan noi snippets", "ly luan noi snippets", "luc luan noi snippets", "lap luan doi snippets", "lap luan ngon snippets", "lap luan nuoc 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: (((("lap luan 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: (((("lap luan noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap luan noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap luan noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.