Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tra dan cu snippets" » "tra danh cu snippets", "tre dan cu snippets", "tran dang cu snippets", "tra dan cua snippets", "tra dan ca snippets", "tra dan su 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 dan cu snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( tra dan cu snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tra dan cu snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.