Perhaps you should try some spelling variations:
"dung trung code snippets" » "dung trong code snippets", "quang trung code snippets", "truong trung code snippets", "dung trung co snippets", "dung trung code slippers"
"han ung java snippets" » "han using java snippets", "han ngu java snippets", "han ung va snippets", "phan ung java snippets", "chan dung java snippets", "han tong java snippets", "han ung java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("han ung java snippets") or ("dung trung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han ung java snippets") OR ("dung trung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han ung java snippets ) or ( dung trung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han ung java snippets") or ("dung trung code snippets"))) or ("locating bug code snippets"))*.