Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"pham huu java snippets" » "pham duc java snippets", "pham duy java snippets", "phan huy java snippets", "pham ngu java snippets", "pham huu va snippets", "pham huu 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: (((("pham huu java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham huu java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham huu java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham huu java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.