Perhaps you should try some spelling variations:
"dung think java snippets" » "dung thang java snippets", "dung tin java snippets", "dung thanh java snippets", "dung trinh java snippets"
"locating bug core snippets" » "locating bug code snippets"
"dong ha code snippets" » "dong hoa code snippets", "dong va code snippets", "dong hoc code 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 think java snippets") or ("dong ha code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung think java snippets") OR ("dong ha code snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung think java snippets ) or ( dong ha code snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung think java snippets") or ("dong ha code snippets"))) or ("locating bug core snippets"))*.