Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tranh van data slippers" » "tran van data slippers", "trinh van data slippers", "thanh van data slippers", "tranh van dat slippers", "tranh van dao slippers", "tranh van dau slippers", "tranh van data slippery", "tranh van 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 ("tranh van 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 ("tranh van data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tranh van data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tranh van data slippers"))) or ("locating bug code snippets"))*.