Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dusing java java snippets" » "using java java snippets", "dusing java java slippers"
"dung ngu va snippets" » "dung nga va snippets", "dung ngo va snippets", "dung nguoi va snippets", "dung ngu van snippets", "dung ngu ca snippets", "dung ngu va slippers"

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: (((("dusing java java snippets") or ("dung ngu va snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dusing java java snippets") OR ("dung ngu va snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dusing java java snippets ) or ( dung ngu va snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dusing java java snippets") or ("dung ngu va snippets"))) or ("locating bugs code snippets"))*.