Perhaps you should try some spelling variations:
"huong tran sy snippets" » "huong dan sy snippets", "quang tran sy snippets", "chuong trinh sy snippets", "huong tran si snippets", "huong tran duy snippets", "huong tran quy snippets", "huong tran sy 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 ("huong tran sy snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("huong tran sy snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( huong tran sy snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("huong tran sy snippets"))) or ("locating bug code snippets"))*.