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