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