Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"lan trinh he snippets" » "lap trinh he snippets", "dan trinh he snippets", "lan tranh he snippets", "lan trinh han snippets", "lan trinh hoa snippets", "lan trinh ky 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 ("lan trinh he snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lan trinh he snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lan trinh he snippets"))) or ("locating bugs code snippets"))*.