Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung te duoc slippers" » "dung he duoc slippers", "dung de duoc slippers", "dung le duoc slippers", "dung te quoc slippers", "dung tao duoc slippers", "dung te duoc slippery", "dung te duoc 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: (((("dung te duoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung te duoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung te duoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung te duoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.