Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro va dan snippets" » "tao va dan snippets", "tho va dan snippets", "tro ba dan snippets", "tro ca dan snippets", "tro va dao snippets", "tro va dau snippets", "tro va 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: (((("tro va dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( tro va dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tro va dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.