Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"cuong cau cham snippets" » "cong cau cham snippets", "cuong cac cham snippets", "huong cau cham snippets", "cuong ca cham snippets", "cuong cau chan snippets", "cuong cau chap snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("cuong cau cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("cuong cau cham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( cuong cau cham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("cuong cau cham snippets"))) or ("locating bug code snippets"))*.