Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phap luat dat slippers" » "phan luat dat slippers", "pham luat dat slippers", "phap luan dat slippers", "phap xuat dat slippers", "phap luat data slippers", "phap luat dat slippery", "phap luat dat 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: (((("phap luat dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap luat dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap luat dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap luat dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.