Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"trinh dan he snippets" » "trinh han he snippets", "trinh van he snippets", "trinh san he snippets", "trinh dan ve snippets", "trinh dan de snippets", "trinh dan ke 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 ("trinh dan he snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( trinh dan he snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("trinh dan he snippets"))) or ("locating bugs code snippets"))*.