Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung cau lua snippets" » "dung chau lua snippets", "dung cu lua snippets", "dung cac lua snippets", "dung cau qua snippets", "dung cay lua snippets", "dung cau cua 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 ("dung cau lua snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung cau lua snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung cau lua snippets"))) or ("locating bugs code snippets"))*.