Perhaps you should try some spelling variations:
"manh dung nha snippets" » "manh hung nha snippets", "manh tung nha snippets", "anh dung nha snippets", "manh dung nhan snippets", "manh dung ha snippets", "manh dung khoa snippets", "manh 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: (((("manh 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: (((("manh dung nha snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh dung nha snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh dung nha snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.