Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong anh xac slippers" » "hong anh xac slippers", "dong thanh xac slippers", "hoang anh xac slippers", "dong anh xay slippers", "dong anh trac slippers", "dong anh xuan slippers", "dong anh xac slippery", "dong anh xac 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 anh xac 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 anh xac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong anh xac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong anh xac slippers"))) or ("locating bug code snippets"))*.