Perhaps you should try some spelling variations:
"dung dinh o snippets" » "dang dinh o snippets", "dung dich o snippets", "dung ninh o snippets", "dung dinh so snippets", "dung dinh bo snippets", "dung dinh ho snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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