Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"con hoa doi snippets" » "cong hoa doi snippets", "con khoa doi snippets", "mon hoa doi snippets", "con hoa dai snippets", "con hoc doi snippets", "con xoa doi 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 ("con hoa doi snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( con hoa doi snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("con hoa doi snippets"))) or ("locating bugs code snippets"))*.