Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ha nhap slippers" » "dung va nhap slippers", "dung he nhap slippers", "dung khoa nhap slippers", "dung hoa nhap slippers", "dung khau nhap slippers", "dung tham nhap slippers", "dung ha nhap slippery", "dung ha 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 java java snippets") or ("dung ha nhap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung ha nhap slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung ha nhap slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung ha nhap slippers"))) or ("locating bug code snippets"))*.