Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tinh chat do snippets" » "tinh chat deo snippets", "tinh chat doc snippets", "tinh chat co snippets", "trinh chat do snippets", "dinh chat do snippets", "minh chat do 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: (((("tinh chat do snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh chat do snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh chat do snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh chat do snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.