Perhaps you should try some spelling variations:
"dang hanh ngay snippets" » "dang thanh ngay snippets", "ban hanh ngay snippets", "dang van ngay snippets", "dang nhanh ngan snippets", "dang hanh nghe snippets", "dang thanh nga snippets", "dang hanh ngay 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 ngay 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 ngay snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hanh ngay snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hanh ngay snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.