Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoa can ta snippets" » "khoa cam ta snippets", "khoa cap ta snippets", "khoi can ta snippets", "khoa can tac snippets", "khoa chan ta snippets", "khoa can da 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 can ta snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( khoa can ta snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khoa can ta snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.