Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"luan anh dat slippers" » "luan danh dat slippers", "tuan anh dat slippers", "lan anh dat slippers", "luan thanh dat slippers", "luan lanh dao slippers", "luan dinh dat slippers", "luan anh dat slippery", "luan anh dat 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 ("luan anh dat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("luan anh dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( luan anh dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("luan anh dat slippers"))) or ("locating bug code snippets"))*.