Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan te he snippets" » "quan he he snippets", "quan ve he snippets", "quang tue he snippets", "quan ke he snippets", "quan te ho snippets", "quan te de 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 te he 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 te he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan te he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan te he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.