Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan cua son snippets" » "quan luan son snippets", "ban cua son snippets", "gian cua son snippets", "quan cua song snippets", "quan cua san snippets", "quan cua con 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 cua son 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 cua son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan cua son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan cua son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.