Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"sat phan cac snippets" » "sat nhan cac snippets", "vat phan cac snippets", "xuat phan cac snippets", "sat nhan cach snippets", "sat phan dau snippets", "sat phan lap 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: (((("sat phan 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: (((("sat phan cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat phan cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat phan cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.