Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duc toan ky snippets" » "duc tan ky snippets", "duc ton ky snippets", "duc hoan ky snippets", "duc than ky snippets", "duc toan ly snippets", "duc toan ke 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 ("duc toan ky snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc toan ky snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc toan ky snippets"))) or ("locating bug core snippets"))*.