Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tan van ba snippets" » "tran van ba snippets", "tang van ba snippets", "luan van ba snippets", "tan van ban snippets", "tan van bao snippets", "tan van bac snippets", "tan van ba 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: (((("python using java snippets") OR ("tan van ba snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tan van ba snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tan van ba snippets"))) or ("locating bug code snippets"))*.