Perhaps you should try some spelling variations:
"phan huong cau snippets" » "phan thuong cau snippets", "phan xuong cau snippets", "phan hong cau snippets", "phan thuong chau snippets", "phan huong dan snippets", "phan huong cua snippets"
"using a java snippets" » "using _ java 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 a java snippets") or ("phan huong cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("phan huong cau snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( phan huong cau snippets ))) or ( locating bug code snippets ))*.