Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dang chi toan snippets" » "dang thi toan snippets", "dung chi toan snippets", "dang phi toan snippets", "dang khi toan snippets", "dang chi thanh snippets", "dang bai toan snippets"
"locating bug core snippets" » "locating bug code 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: (((("using java code snippets") OR ("dang chi toan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dang chi toan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dang chi toan snippets"))) or ("locating bug core snippets"))*.