Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hat cac snippets" » "cong hat code snippets", "cong nhat cac snippets", "cong chat cac snippets", "cong ha cac snippets", "cong sat cac snippets", "cong hat ca snippets", "cong hat sac 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 ("cong hat 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 ("cong hat cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( cong hat cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("cong hat cac snippets"))) or ("locating bug core snippets"))*.