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