Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh va cao snippets" » "trinh van cao snippets", "trinh vat cao snippets", "trinh ve cao snippets", "trinh va cac snippets", "trinh va co snippets", "trinh va dao 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: (((("trinh va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.