Perhaps you should try some spelling variations:
"dcung using java snippets" » "dcung using data snippets", "dccung using java snippets"
"ung dung core snippets" » "ung dung cong snippets", "ung dung co snippets", "ung dung con snippets", "cung dcung core snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("ung dung core snippets") or ("dcung using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ung dung core snippets") OR ("dcung using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ung dung core snippets ) or ( dcung using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ung dung core snippets") or ("dcung using java snippets"))) or ("locating bug code snippets"))*.