Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"coc van anh snippets" » "cac van anh snippets", "hoc van anh snippets", "coc ban anh snippets", "coc van thanh snippets", "coc van minh snippets", "coc tuan anh snippets", "coc van anh 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: (((("coc van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( coc van anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("coc van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.