Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tong tap trac slippers" » "tuong tac trac slippers", "trong tan trac slippers", "cong tac trac slippers", "tong tap toan slippers", "tong tap trac slippery", "tong tap trac 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: (((("tong tap trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong tap trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong tap trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong tap trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.