Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"va toan tai snippets" » "va toan tap snippets", "va doanh tai snippets", "va toan ban snippets", "van toan tai snippets", "bai toan tai snippets", "tap toan tai 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: (((("python using java snippets") OR ("va toan tai snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( va toan tai snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("va toan tai snippets"))) or ("locating bug core snippets"))*.