Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc cho lam snippets" » "hoc cao lam snippets", "hoc pho lam snippets", "hoc co lam snippets", "hoc nho lam snippets", "hoc cho tam snippets", "hoc nhom lam 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 ("hoc cho lam snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc cho lam snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc cho lam snippets"))) or ("locating bug core snippets"))*.