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