Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac hai dan snippets" » "cuc hai dan snippets", "cac bai dan snippets", "cac dai dan snippets", "cac hai dang snippets", "cac hoi dan snippets", "cac hai tan snippets", "cac hai dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cac hai dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cac hai dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cac hai dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.