Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"ban sach va snippets" » "ban sac va snippets", "ban mach va snippets", "ngan sach va snippets", "ban sach xa snippets", "ban sach ha snippets", "ban sach dao snippets", "ban sach 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: (((("ban sach 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: (((("ban sach va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban sach va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban sach va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.