Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"nghe ngu va snippets" » "nghiem ngu va snippets", "ngon ngu va snippets", "nghe thu va snippets", "nghe ngu van snippets", "nghe ngu ca snippets", "nghe nguoi va snippets", "nghe 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: (((("nghe 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: (((("nghe ngu va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghe ngu va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe ngu va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.