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