Perhaps you should try some spelling variations:
"dang nhat lua snippets" » "dung nhan lua snippets", "dung nha lua snippets", "dang nhat cua snippets", "dang nhat qua snippets", "dang chat lua snippets", "dang nhat lua 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 nhat lua 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 nhat lua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang nhat lua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang nhat lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.