Perhaps you should try some spelling variations:
"rong chon dat snippets" » "rong cho dat snippets", "trong chong dat snippets", "trong chan dat snippets", "rong hon dat snippets", "rong chinh dat snippets", "rong cho dao snippets", "rong 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: (((("rong 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: (((("rong chon dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rong chon dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rong chon dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.