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