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