Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong dan ba slippers" » "trong dang ba slippers", "trong san ba slippers", "trong tan ba slippers", "trong dan bac slippers", "trong dan ca slippers", "trong dan va slippers", "trong dan ba slippery", "trong dan ba 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 dan ba 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 dan ba slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong dan ba slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong dan ba slippers"))) or ("locating bug code snippets"))*.