Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan che cuc snippets" » "quan he cuc snippets", "han che cuc snippets", "quan ha cuc snippets", "quan chi cuc snippets", "quan che duoc snippets", "quan che quoc 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 che cuc 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 che cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan che cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan che cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.