Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hoc sy snippets" » "dong hoc sy snippets", "dung thuoc sy snippets", "trung hoc sy snippets", "dung hoc ky snippets", "dung hoc su snippets", "dung hoc my 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 ("dung hoc sy snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung hoc sy snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung hoc sy snippets"))) or ("locating bug core snippets"))*.