Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong cao tan slippers" » "truong cao tan slippers", "trong cac tan slippers", "trong ca tan slippers", "trong cao tang slippers", "trong cao tai slippers", "trong cao van slippers", "trong cao tan slippery", "trong cao tan 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 java java snippets") or ("trong cao tan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong cao tan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong cao tan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong cao tan slippers"))) or ("locating bug code snippets"))*.