Perhaps you should try some spelling variations:
"dung cac cuoc snippets" » "dung cac code snippets", "luong cac cuoc snippets", "dung cho cuoc snippets", "dung tai cuoc snippets", "dung cac nuoc snippets", "dung ca cuoc snippets", "dung cac quoc snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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 cac cuoc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac cuoc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac cuoc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac cuoc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.