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