Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"tu hanh cac snippets" » "tu hang cac snippets", "tu hanh cat snippets", "tu nhanh cay snippets", "tu thanh cac snippets", "du hanh cac snippets", "lu hanh cac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 ("tu hanh cac snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( tu hanh cac snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("tu hanh cac snippets"))) or ("locating bug code snippets"))*.