Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung de chi snippets" » "dung de code snippets", "dung he chi snippets", "dung dat chi snippets", "dung de che snippets", "dung ke chi snippets", "dung de cai snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data 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 de chi snippets") or ("dung using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung de chi snippets") OR ("dung using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung de chi snippets ) or ( dung using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung de chi snippets") or ("dung using java snippets"))) or ("locating bug core snippets"))*.