Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"luan dan cac snippets" » "luan danh cac snippets", "luan van cac snippets", "luat dan cac snippets", "luan dan cach snippets", "luan dang cac snippets", "luan dan ca 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 ("luan dan cac snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan dan cac snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan dan cac snippets"))) or ("locating bugs code snippets"))*.