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