Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung pha tap slippers" » "dung phan tap slippers", "dung phat tap slippers", "dung ha tap slippers", "dung pham tai slippers", "dung pha tap slippery", "dung pha tap 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 pha tap 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 pha tap slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung pha tap slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung pha tap slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.