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