Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"hang cua dat snippets" » "mang cua dat snippets", "hang ca dat snippets", "huong cua dat snippets", "hang cua dan snippets", "hang cua vat snippets", "hang cua dai 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 core snippets") OR ("hang cua dat snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( hang cua dat snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("hang cua dat snippets"))) or ("locating bugs code snippets"))*.