Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dac cao dan snippets" » "dac cho dan snippets", "dac co dan snippets", "bac cao dan snippets", "dac cao dang snippets", "dac cao danh snippets", "dac cac dan snippets", "dac cao 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: (((("dac cao dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dac cao dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dac cao dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.