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