Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len ngu cac snippets" » "luyen ngu cac snippets", "len ngoi cac snippets", "den nguy cac snippets", "len ngu ca snippets"
"locating bug code snippets" » "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 ("len ngu cac snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( len ngu cac snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("len ngu cac snippets"))) or ("locating bug code snippets"))*.