Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong viet data slippers" » "cong viec data slippers", "thong viet data slippers", "nang viet data slippers", "cong viet dat slippers", "cong viet ta slippers", "cong lieu data slippers", "cong viet data slippery", "cong viet data grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 ("cong viet 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 ("cong viet data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong viet data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong viet data slippers"))) or ("locating bug code snippets"))*.