Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan cau cho snippets" » "quang cao cho snippets", "toan cau cho snippets", "quan ha cho snippets", "quan cap cho snippets", "quan cao cho snippets", "quan cu cho 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 cau cho 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 cau cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan cau cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan cau cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.