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