Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tang da snippets" » "van thang da snippets", "van trang da snippets", "van nang da snippets", "van tang dan snippets", "van tang dam snippets", "van tang ma snippets"
"locating bug code snippets" » "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: (((("python using java snippets") OR ("van tang da snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van tang da snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van tang da snippets"))) or ("locating bug code snippets"))*.