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