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