Perhaps you should try some spelling variations:
"lang chon dat snippets" » "nang chon dat snippets", "lang phong dat snippets", "liang chen dat snippets", "lang hon dat snippets", "lang chinh dat snippets", "lang cho dao snippets", "lang chon dat 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: (((("lang chon dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang chon dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang chon dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang chon dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.