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