Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"nang java java snippets" » "nang va java snippets", "nang java java slippers"
"sach dung code snippets" » "sach dung cong snippets", "sach dung co snippets", "sach dung de snippets", "sach dung code 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: (((("nang java java snippets") or ("sach dung code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang java java snippets") OR ("sach dung code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( nang java java snippets ) or ( sach dung code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang java java snippets") or ("sach dung code snippets"))) or ("locating bugs code snippets"))*.