Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan cong ha snippets" » "dang cong ha snippets", "van cong ha snippets", "dan dong ha snippets", "dan cong hoa snippets", "dan cong tac 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: (((("python using java snippets") OR ("dan cong ha snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan cong ha snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan cong ha snippets"))) or ("locating bug core snippets"))*.