Perhaps you should try some spelling variations:
"dong cong chuc snippets" » "dong cong code snippets", "duong cong chuc snippets", "dung cong chuc snippets", "dang cong chuc snippets", "dong cong thuc snippets", "dong cong cu snippets", "dong cong cua snippets"
"locating bug core snippets" » "locating bug code 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 cong chuc 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 cong chuc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( dong cong chuc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("dong cong chuc snippets"))) or ("locating bug core snippets"))*.