Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao thi su snippets" » "do thi su snippets", "dan thi su snippets", "dang thi su snippets", "dao thi cu snippets", "dao thi tu snippets", "dao chi su 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 thi su snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dao thi su snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao thi su snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.