Perhaps you should try some spelling variations:
"dung hai chen snippets" » "dung hai code snippets", "dung tai chen snippets", "dung ha chen snippets", "dung sai chen snippets", "dung hui chen snippets", "dung kai chen snippets", "dung chai chet snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung 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: (((("dung java java snippets") or ("dung hai chen snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung hai chen snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung hai chen snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung hai chen snippets"))) or ("locating bug core snippets"))*.