Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dang do tro snippets" » "nang doc tro snippets", "dung doi tro snippets", "dang duc tro snippets", "dang de tro snippets", "dang ho tro snippets", "dang do trong 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 ("dang do tro snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dang do tro snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dang do tro snippets"))) or ("locating bug core snippets"))*.