Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"dai dung chet snippets" » "dai dung chat snippets", "dai dung che snippets", "dai dung chien snippets", "dai duong chet snippets", "dan dung chet snippets", "mai dung chet snippets"
"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: (((("using java java snippets") or ("dai dung chet snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("dai dung chet snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai dung chet snippets ))) or ( locating bug code snippets ))*.