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