Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"cac toan do snippets" » "cac khoan do snippets", "hach toan do snippets", "cac thanh do snippets", "cac toan ho snippets", "cac toan co snippets", "cac toan du snippets"
"locating bug core snippets" » "locating bug code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cac toan do snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cac toan do snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cac toan do snippets"))) or ("locating bug core snippets"))*.