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