Perhaps you should try some spelling variations:
"dung dan tong snippets" » "dung dan code snippets", "dung dat tong snippets", "dung san tong snippets", "tung dan tong snippets", "dung dan trong snippets", "dung han tong snippets", "dung dan dong snippets"
"locating bug core snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hang java java snippets") or ("dung dan tong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dung dan tong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung dan tong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung dan tong snippets"))) or ("locating bug core snippets"))*.