Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoa do ky snippets" » "khoa doi ky snippets", "khoa dr ky snippets", "khoa co ky snippets", "khoa so ky snippets", "khoa do ke snippets", "khoa du ky 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 do ky snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( khoa do ky snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khoa do ky snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.