Perhaps you should try some spelling variations:
"dai dung code snippets" » "dai dung cong snippets", "dai dung co snippets", "dai dung de snippets", "dai duong code snippets", "dan dung code snippets", "mai dung code snippets", "dai dung code 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using low java snippets") or ("dai dung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using low java snippets") OR ("dai dung code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using low java snippets ) or ( dai dung code snippets ))) or ( locating bug code snippets ))*.