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