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