Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"che duc van snippets" » "che duoc van snippets", "chu duc van snippets", "chet duoc van snippets", "che duc va snippets", "che duc tan snippets", "che duc manh snippets", "che duc van 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 ("che duc van snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( che duc van snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("che duc van snippets"))) or ("locating bug code snippets"))*.