Perhaps you should try some spelling variations:
"dung sinh java snippets" » "duong sinh java snippets", "dang sinh java snippets", "dung ninh java snippets", "dung trinh java snippets", "dung using java snippets", "dung sinh va snippets", "dung sinh java slippers"
"cong cau dan snippets" » "cong cu dan snippets", "cong chuc dan snippets", "thong cau dan snippets", "cong cau danh snippets", "cong cac dan snippets", "cong ca dan snippets", "cong cau dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong cau dan snippets") or ("dung sinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cau dan snippets") OR ("dung sinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cau dan snippets ) or ( dung sinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cau dan snippets") or ("dung sinh java snippets"))) or ("locating bug code snippets"))*.