Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc cau du snippets" » "hoc cao du snippets", "hoc cac du snippets", "hoc can du snippets", "hoc cau do snippets", "hoc cau tu 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 cau du snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc cau du snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc cau du snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.