Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java snippets"
"dung cac pham snippets" » "luong cac pham snippets", "dung cho pham snippets", "dung tai pham snippets", "dung tac pham snippets", "dung cac ham snippets", "dung cac phan 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: (((("dung cac pham snippets") OR ("hang java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung cac pham snippets ) or ( hang java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung cac pham snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))*.