Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa va len snippets" » "khoan va len snippets", "khoa ma len snippets", "hoa va len snippets", "khoa va lien snippets", "khoa va le snippets", "khoa va den snippets", "khoa va len slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa va len snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( khoa va len snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khoa va len snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.