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