Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc con vi snippets" » "hoc cong vi snippets", "hoc cuon vi snippets", "hoc co vi snippets", "hoc chon vi snippets", "hoc don vi snippets", "hoc con va snippets", "hoc con vi 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: (((("hoc con vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc con vi snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc con vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.