Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan li lo snippets" » "quan ly lo snippets", "quan tri lo snippets", "quan li so snippets", "quan lo lo snippets", "quan li co 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 li lo 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 li lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan li lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan li lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.