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