Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"can cac phan snippets" » "can cac nhan snippets", "can cao phan snippets", "can cap phan snippets", "ca cac phan snippets", "can cau phan snippets", "can tac phan snippets"
"locating bug core snippets" » "locating bug 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 java code snippets") or ("can cac phan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("can cac phan snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can cac phan snippets ))) or ( locating bug core snippets ))*.