Perhaps you should try some spelling variations:
"pham trong java snippets" » "pham thuong java snippets", "pham cong java snippets", "nam trong java snippets", "pham trinh java snippets", "pham trong java slippers"
"dong hung code snippets" » "dong huong code snippets", "dang hung code snippets", "cong hung code snippets", "dong hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("pham trong java snippets") or ("dong hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham trong java snippets") OR ("dong hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham trong java snippets ) or ( dong hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham trong java snippets") or ("dong hung code snippets"))) or ("locating bug code snippets"))*.