Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nang cong dot snippets" » "nang cong code snippets", "nang song dot snippets", "dang cong dot snippets", "hang cong dot snippets", "nang cong mot snippets", "nang cong dong snippets", "nang cong doan 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 java java snippets") or ("nang cong dot snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("nang cong dot snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( nang cong dot snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("nang cong dot snippets"))) or ("locating bug core snippets"))*.