Perhaps you should try some spelling variations:
"phan cung code snippets" » "phan cong code snippets", "phan ung code snippets", "phan xuong code snippets", "phan cung code slippers"
"hanhg java java snippets" » "hanhg java java 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: (((("phan cung code snippets") or ("hanhg java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cung code snippets") OR ("hanhg java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cung code snippets ) or ( hanhg java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cung code snippets") or ("hanhg java java snippets"))) or ("locating bug code snippets"))*.