Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai trac toc snippets" » "hoi trac toc snippets", "khai thac toc snippets", "thai tran toc snippets", "hai trac hoc snippets", "hai thac toc snippets", "hai cac toc 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: (((("hai trac toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai trac toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai trac toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai trac toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.