Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"qua toan cau snippets" » "cua toan cau snippets", "qua tan cau snippets", "qua than cau snippets", "qua toan cao snippets", "qua toan ban snippets", "qua toan tap 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 ("qua toan cau snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( qua toan cau snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("qua toan cau snippets"))) or ("locating bugs code snippets"))*.