Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung de theo slippers" » "dung he theo slippers", "dung dat theo slippers", "dung te theo slippers", "dung ke theo slippers", "dung kem theo slippers", "dung de theo slippery", "dung de theo 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 de theo 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 de theo slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung de theo slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung de theo slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.