Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung tin don snippets" » "dung tin code snippets", "dong tin don snippets", "luong tin don snippets", "dung tren don snippets", "dung tien dong snippets", "dung tin dung snippets", "dung tinh doi 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 tin don 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 tin don snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung tin don snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung tin don snippets"))) or ("locating bug core snippets"))*.