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