Perhaps you should try some spelling variations:
"cong khanh kiem snippets" » "cong hanh kem snippets", "cong thanh liem snippets", "cong phan kiem snippets", "cong thanh kiem snippets", "cong khan kiem snippets", "cong nhan kiem snippets", "cong khanh kiem 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: (((("dung java java snippets") or ("cong khanh kiem snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong khanh kiem snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong khanh kiem snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong khanh kiem snippets"))) or ("locating bug code snippets"))*.