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