Perhaps you should try some spelling variations:
"dung tieu nhan snippets" » "dung tiep nhan snippets", "dung tieu chuan snippets", "dung trien nhan snippets", "dung hieu nhan snippets", "dung tren nhan snippets", "dung tin nhan snippets", "dung tieu nhan slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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: (((("using a code snippets") or ("dung tieu nhan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dung tieu nhan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dung tieu nhan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dung tieu nhan snippets"))) or ("locating bug code snippets"))*.