Perhaps you should try some spelling variations:
"kha trinh xuat snippets" » "kha trinh luat snippets", "kha trinh xuan snippets", "kha trinh xay snippets", "qua trinh xuat snippets", "ha tinh xuat snippets", "tra trinh xuat snippets", "kha trinh xuat 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: (((("dung java java snippets") or ("kha trinh xuat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("kha trinh xuat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( kha trinh xuat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("kha trinh xuat snippets"))) or ("locating bug code snippets"))*.