Perhaps you should try some spelling variations:
"dung uong java snippets" » "dung huong java snippets", "dung luong java snippets", "dung cong java snippets", "dung using java snippets"
"dung tri do snippets" » "dung tai do snippets", "dung tren do snippets", "nhung tri do snippets", "dung tri doi snippets", "dung tri co snippets", "dung tri du 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: (((("dung uong java snippets") or ("dung tri do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung uong java snippets") OR ("dung tri do snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung uong java snippets ) or ( dung tri do snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung uong java snippets") or ("dung tri do snippets"))) or ("locating bug code snippets"))*.