Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tra anh han snippets" » "tran anh han snippets", "tra danh han snippets", "tran manh han snippets", "tra anh nhan snippets", "tra anh phan snippets", "tra hanh han snippets", "tra anh han 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: (((("tra anh han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( tra anh han snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tra anh han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.