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