Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"
"phan cong cac snippets" » "thanh cong cac snippets", "phan cuong cac snippets", "phan cong tac snippets", "phan cong cau 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 raw java snippets") or ("phan cong cac snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using raw java snippets") OR ("phan cong cac snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using raw java snippets ) or ( phan cong cac snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") or ("phan cong cac snippets"))) or ("locating bugs code snippets"))*.