Perhaps you should try some spelling variations:
"hai dang luan snippets" » "hai dung luan snippets", "hai tang luan snippets", "hai hang luan snippets", "dai dang luan snippets", "hai bang luan snippets", "hoi dang luan snippets", "hai dang luan 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: (((("hai dang luan snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai dang luan snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dang luan snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dang luan snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.