Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"ban dan duc snippets" » "ban hang duc snippets", "ban hanh duc snippets", "ban quan duc snippets", "ban dang duc snippets", "ban dao duc snippets", "ban van duc 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 ("ban dan duc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ban dan duc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("ban dan duc snippets"))) or ("locating bug core snippets"))*.