Perhaps you should try some spelling variations:
"dang hanh duoc snippets" » "dang thanh duoc snippets", "ban hanh duoc snippets", "dang van duoc snippets", "dang hanh thuoc snippets", "dang nganh duoc snippets", "dang doanh duoc snippets", "dang hanh duoc 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: (((("dang hanh duoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hanh duoc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hanh duoc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hanh duoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.