Perhaps you should try some spelling variations:
"tung tinh xach snippets" » "trung tinh xach snippets", "tung hinh xach snippets", "dung tinh xach snippets", "tung tinh cach snippets", "tung tinh mach snippets", "tung trinh mach snippets", "tung tinh xach 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: (((("tung tinh xach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung tinh xach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung tinh xach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung tinh xach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.