Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"pham xuat java snippets" » "pham xuan java snippets", "phan xuat java snippets", "phat xuat java snippets", "pham xuat va snippets", "pham xuat 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 xuat 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 xuat java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham xuat java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham xuat java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.