Perhaps you should try some spelling variations:
"nang nghe trinh snippets" » "nang nghe tinh snippets", "nang nghe sinh snippets", "nang nghe trong snippets", "lang nghe trinh snippets", "cong nghe trinh snippets", "van nghe trinh snippets", "nang nghe trinh 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 nghe trinh 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 nghe trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang nghe trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang nghe trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.