Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ba tham slippers" » "dung bai tham slippers", "dung bao tham slippers", "dung bac tham slippers", "dung va tham slippers", "dung ba ham slippers", "dung van tham slippers", "dung ba tham slippery", "dung ba tham 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 ba tham 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 ba tham slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ba tham slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ba tham slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.