Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khi co doc snippets" » "khi con doc snippets", "khi cu doc snippets", "khi mo doc snippets", "khi co duoc snippets", "khi co hoc snippets", "khi co dot 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: (((("khi co doc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( khi co doc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khi co doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.