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