Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung chi thu slippers" » "dung cho thu slippers", "dung thi thu slippers", "dung chien thu slippers", "dung chim thu slippers", "dung chi thi slippers", "dung chi thu slippery", "dung chi thu 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 chi thu 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 chi thu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chi thu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi thu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.