Perhaps you should try some spelling variations:
"cong cac thiet snippets" » "cong cach thiet snippets", "cong cad thiet snippets", "cong cam thiet snippets", "cuong cac thiet snippets", "cong tac thiet snippets", "cong cau thiet snippets", "cong cac thiet slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("cong cac thiet snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cac thiet snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cac thiet snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cac thiet snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.