Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung san lan slippers" » "dong san lan slippers", "dung sai lan slippers", "dung luan lan slippers", "dung san luan slippers", "dung san van slippers", "dung sau lan slippers", "dung san lan slippery", "dung san lan 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 san lan 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 san lan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung san lan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung san lan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.