Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung giet con snippets" » "dung giet code snippets", "dung viet con snippets", "dung thiet con snippets", "dung giao con snippets", "dung diet con snippets", "dung viet co snippets", "dung biet lon 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 ("dung giet con 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 giet con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung giet con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung giet con snippets"))) or ("locating bug core snippets"))*.