Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"hoi tri cau snippets" » "hoi tai cau snippets", "hoi thi cau snippets", "hoi trac cau snippets", "hoi tri cac snippets", "hoi tri dau snippets", "hoi trinh cau 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 ("hoi tri cau snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoi tri cau snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoi tri cau snippets"))) or ("locating bug core snippets"))*.