Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tri tiep slippers" » "dung tai tiep slippers", "dung tren tiep slippers", "nhung tri tiep slippers", "dung truc tiep slippers", "dung tri tue slippers", "dung tri lieu slippers", "dung tri tiep slippery", "dung tri tiep 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 tri tiep 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 tri tiep slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri tiep slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri tiep slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.