Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran manh cac snippets" » "tran minh cac snippets", "tran thanh cac snippets", "tran van cac snippets", "tran hanh cac snippets", "tran manh cam 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 ("tran manh cac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran manh cac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran manh cac snippets"))) or ("locating bug core snippets"))*.