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