Perhaps you should try some spelling variations:
"da dung nha snippets" » "da dung nhan snippets", "da dung ha snippets", "da dung khoa snippets", "dan dung nha snippets", "dat dung nha snippets", "da dang nha snippets", "da dung nha slippers"
"using low java snippets" » "using low java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("da dung nha snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da dung nha snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( da dung nha snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da dung nha snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.