Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"dao cao li snippets" » "dao tao li snippets", "bao cao li snippets", "tao cao li snippets", "dao dao li snippets", "dao hao li snippets", "dao cao li slippers"

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 cao li snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dao cao li snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao cao li snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.