Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nhan che cac snippets" » "han che cac snippets", "phan che cac snippets", "nhan nghe cac snippets", "nhan cho cac snippets", "nhan che tac snippets", "nhan he cac snippets"
"locating bug code snippets" » "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: (((("nhan che cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan che cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan che cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan che cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.