Perhaps you should try some spelling variations:
"dung dan tinh snippets" » "dung doan tinh snippets", "dung dang tinh snippets", "dung dan trinh snippets", "dung dat tinh snippets", "dung san tinh snippets", "tung dan tinh snippets", "dung dan tinh 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 dan tinh 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 dan tinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dung dan tinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dung dan tinh snippets"))) or ("locating bug code snippets"))*.