Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan duoc dat slippers" » "da duoc dat slippers", "dat duoc dat slippers", "dan quoc dat slippers", "dan duoc bat slippers", "dan duoc dai slippers", "dan duoc dan slippers", "dan duoc dat slippery", "dan duoc 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: (((("dan duoc 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: (((("dan duoc dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan duoc dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan duoc dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.